A |
Angstrom unit |
|
A |
Ampere |
|
A&A |
Astronomy and Astrophysics |
|
A&ARv |
Astronomy and Astrophysics Review |
|
A&AS |
Astronomy and Astrophysics Supplement Series |
|
A&AT |
Astronomical and Astrophysical Transactions |
|
a&g |
Astronomy and Geophysics |
|
A/D |
Analog to Digital (conversion) |
|
A/N |
Alphanumeric |
|
AA |
Academic Affairs |
|
AA&AA |
Astronomy and Astrophysics Abstracts Heidelberg |
|
AAA |
Amateur Astronomers Association |
|
AAAD |
Amateur Astronomers Association Delhi |
|
AAAM |
Active Amateur Astronomers of Maryland |
|
AAAS |
American Association for the Advancement of Science |
|
AACC |
American Association for Clinical Chemists |
|
AACCS |
Analytical Approach to Candidate Constellation Selection |
|
AAMC |
American Association of Medical Colleges |
|
AAMI |
Association for the Advancement of Medical Instrumentation |
|
AAO |
Anglo-Australian Observatory |
|
AAONw |
Anglo-Australian Observatory Epping Newsletter |
|
AAOPr |
Anglo-Australian Observatory Epping Preprint |
|
AARP |
American Association of Retired Persons |
|
AAS |
American Astronomical Society |
|
AAS |
Archaeology Astronautics and Seti |
|
AASPP |
Astrononomy and Astrophysics Series |
|
AAT |
Anglo-Australian Telescope |
|
AAT |
Anglo Australian Telescope |
|
AAVSO |
American Association of Variable Star Observers |
|
ab |
Archive Branch |
|
ABB |
After the Big Bang |
|
ABBA |
ADC Backend For Bolometer Array |
|
AbbOO |
Abbadia Observatory Observations |
|
ABF |
Astronomische Beeldverwerkings Faciliteiten |
|
ABHI |
Association of British Health-Care Industries |
|
ABRIXAS |
A BRoadband Imaging X-ray All-sky Survey |
|
AC |
Active Coronae |
|
AC |
Ascendant Cusp |
|
AC |
Astrographic Catalogue |
|
ACA |
Atacama Compact Array |
|
ACE |
Advanced Composition Explorer |
|
ACE |
Actuator Control Electronics |
|
ACiCh |
Astronomical Circular |
|
ACIS |
Advanced CCD Imaging Spectrometer |
|
ACIT |
Automatic Comet Imaging Telescope |
|
ACK |
acknowldgement message |
|
ACM |
Asteroids Comets Meteors |
|
ACMan |
Astronomical Contributions from the University of Manchester |
|
ACP |
Aerosol Collector and Pyrolyser |
|
ACPG |
Astronomical Community Participation Group |
|
ACRIM |
Active Cavity Radiometer Irradiance Monitor (EOS) |
|
ACRV |
Astronaut Crew Rescue Vehicle |
|
ACRV |
Assured Crew Return Vehicle |
|
ACS |
Actuator Control System |
|
ACS |
Advanced Camera for Surveys |
|
ACS |
American College of Surgeons |
|
ACT |
Astrographic Catalog Tycho |
|
ACTS |
Advanced Communications Technology Satellite |
|
ACURA |
Association of Canadian Universities for Research in Astronomy |
|
ACV |
Alpha Canes Venatici |
|
ACYG |
Alpha CYGni |
|
AD |
Astronomsko Drustvo |
|
AD |
Analog to Digital |
|
AdA&A |
Advances in Astronomy and Astrophysics |
|
ADAF |
Advection-dominated Accretion Flow |
|
ADAS |
Asiago DLR Asteroid Survey |
|
ADASS |
Astronomical Data Analysis Software and Systems |
|
ADC |
Analog-Digital Converter |
|
ADC |
Astronomical Data Center |
|
ADCBu |
Astronomical Data Center Bulletin |
|
ADEC |
Astrophysics Data Centers Executive Council |
|
AdEPS |
Advances in Earth and Planetary Sciences |
|
ADF |
Astrophysics Data Facility |
|
ADFRF |
Ames-Dryden Flight Research Facility |
|
ADH |
Average Daily Hours |
|
ADIL |
Astronomy Data Image Library |
|
ADIL |
Astronomy Digital Image Library |
|
ADIS |
Astrophysics Data and Information Services |
|
ADOR |
Astrometry and Design Operations Review |
|
ADP |
Automated Data Processing |
|
ADS |
Astrophysics Data Service |
|
ADS |
Astrophysics Data System |
|
ADS |
Aitken Double Stars |
|
AdSAC |
Advanced Series in Astrophysics and Cosmology |
|
AdSpR |
Advances in Space Research |
|
ADU |
Astronomical Distance Unit |
|
AdvaMed |
Advanced Medical Technology Association |
|
AE |
Adverse Event |
|
AEA |
Atomic Energy Agency |
|
AEDP |
Astrometry and Engineering Data Processing |
|
AEdRv |
Astronomy Education Review |
|
AEG |
Astro Event Group |
|
aer |
Astronomy Education Review |
|
AESS |
Institute of Electrical and Electronic Engineers - Aerospace and Electronics Systems Society |
|
AET |
Accuracy Enhancing Technology |
|
AExpr |
Astronomy Express |
|
AFAIK |
As Far As I Know |
|
AFGWC |
Air Force Global Weather Central (U.S.) |
|
AFSCN |
Air Force Space Command network |
|
AFSD |
Air Force Space Division |
|
AG |
Astronomische Gesellschaft |
|
AGAPE |
Andromeda Galaxy and Amplified Pixels Experiment |
|
AGB |
Asymptotic Giant Branch |
|
AGILE |
Astro-rivelatore Gamma a Immagini Leggero |
|
AGK |
Astronomische Gesellschaft Katalog |
|
AGK3 |
Katalog der Astronomischen Gesellschaft 3 |
|
AGN |
Active Galaxy Nucleus |
|
AGN |
Active Galactic Nucleus |
|
AGPS |
Assisted Global Positioning System |
|
AGU |
American Geophysical Union |
|
AH |
Asteroid Hunt |
|
AH |
ampere hours |
|
AHA |
American Hospital Association |
|
ahrq |
Agency for Health, Research, and Quality |
|
AHU |
Air Handling Unit |
|
AIAA |
American Institute of Aeronautics and Astronautics, Inc. |
|
AIM |
Aeronomy of Ice in the Mesosphere |
|
AIMBE |
American Insitute for Medical and Biological Engineering |
|
AIPS |
Astronomical Image Processing System |
|
AirCo |
Air et Cosmos |
|
AIT |
Assembly, Integration, and Testing |
|
AJ |
Astronomical Journal |
|
AJD |
Astronomical Julian Day |
|
ALaMO |
Automated Lunar and Meteor Observatory |
|
ALAT |
Airborne Large Aperture Telescope |
|
ALEXIS |
Array of Low Energy X-ray Imaging Sensors |
|
ALFA |
A Laser For Astronomy |
|
ALIS |
Airborne Laser Isotope Spectrometer |
|
ALMA |
Atacama Large Millimeter Array |
|
ALPO |
Association of Lunar and Planetary Observers |
|
ALPOJ |
Association of Lunar and Planetary Observers Journal |
|
ALS |
Advanced Launch System |
|
ALTS |
Astronomy Lunch Time Seminar |
|
am |
Anti-meridian |
|
AMA |
American Medical Association |
|
AMANDA |
Antarctic Muon And Neutrino Detector Array |
|
AMASE |
Astrophysics Multi-Spectral Archive Search Engine |
|
AMDM |
Association of Medical Diagnostics Manufacturers |
|
AMIA |
The American Medical Informatics Association |
|
AMPS |
Atmosphere, Magnetosphere & Plasmas in Space |
|
AMPS |
Atmospheric Magnetospheric Plasma System |
|
AMR |
Antarctic Meteorite Research |
|
AMS |
American Meteor Society |
|
AMSU |
Advanced Mass Spectrometry Unit |
|
AMU |
Atomic Mass Unit |
|
AN |
Astronomische Nachrichten |
|
AnBos |
Annals of the Bosscha Observatory Lembang |
|
AnCap |
Annals of the Cape Observatory |
|
AnCGH |
Annals of Royal Observatory, Cape of Good Hope |
|
AnDea |
Annales of the Dearborn Observatory |
|
AnDud |
Annals of the Dudley Observatory |
|
AnEdi |
Annals of the Royal Observatory, Edinburgh |
|
AnHar |
Annals of Harvard College Observatory |
|
AnLL |
Annals of the Observatory of Lucien Libert |
|
AnLow |
Annals of the Lowell Observatory |
|
AnLun |
Annals of the Observatory of Lund |
|
AnMN |
Antarctic Meteorite Newsletter |
|
AnOLL |
Annals of the Private Observatory of Lucien Libert |
|
ANS |
Astro News Service |
|
ANS |
Astronomical Netherlands Satellite |
|
AnSAO |
Annals of the Astrophysical Observatory of the Smithsonian Institution |
|
AnShO |
Shanghai Observatory Annals |
|
ANSI |
American National Standards Institute, Inc. |
|
AnTok |
Annals of the Tokyo Astronomical Observatory |
|
AO |
announcement of opportunity |
|
AO |
Adaptive Optics |
|
AOA |
ASCA Online Arxiv |
|
AOA |
Abort Once Around (shuttle Abort Plan) |
|
AOA |
Angle Of Attack |
|
AOC |
Award Of Contract |
|
AOCS |
Attitude and Orbit Control System |
|
AOR |
Astronomical Observation Request |
|
AOSS |
AURA Observatory Support Services |
|
AP |
Astral Projection |
|
AP |
Array Processor |
|
Ap&SS |
Astrophysics and Space Science |
|
Ap.J |
Astrophysical Journal |
|
APASS |
AAVSO Photometric All-Sky Survey |
|
APC |
Ambulatory Payment Class |
|
APh |
Astroparticle Physics |
|
APhA |
American Pharmaceutical Association |
|
ApInv |
Astrophysical Investigations |
|
APJ |
Astrophysical Journal |
|
APJL |
Astrophysical Journal Letters |
|
ApJS |
Astrophysical Journal Supplement Series |
|
ApL |
Astrophysical Letters |
|
APL |
Applied Physics Laboratory (at Johns Hopkins) |
|
ApL&C |
Astrophysical Letters Communications |
|
APM |
Attached Pressurized Module (a.k.a. Columbus) |
|
APO |
Apache Point Observatory |
|
APOD |
Astronomy Picture of the Day |
|
APPLE |
Ariane Passenger Payload Experiment |
|
APS |
Astronomy & Planetary Science |
|
APS |
American Physical Society |
|
APSB |
Advance Planning Systems Branch |
|
ApSSS |
Astrophysics and Space Science Supplement |
|
APT |
Astronomers Proposal Tools |
|
APT |
Automatic Photometric Telescope |
|
APT |
Automated Patrol Telescope |
|
APU |
Auxiliary Power Unit |
|
Aqr |
Aquarius |
|
AR |
Active Region |
|
ARA&A |
Annual Review of Astronomy and Astrophysics |
|
ARAA |
Annual Review of Astronomy and Astrophysics |
|
ArAS |
Armenian Astronomical Society |
|
ARAS |
Astronomical Ring for Access to Spectroscopy |
|
ArBei |
Astrophysics Reports Publications of the Beijing Astronomical Observatory |
|
ARC |
Ames Research Center (NASA) |
|
ARC |
Astrophysical Research Consortium |
|
ArchS |
Archaeoastronomy Supplement |
|
AReg |
Astronomical Register |
|
ARep |
Astronomy Reports |
|
AREPS |
Annual Review of Earth and Planetary Sciences |
|
ARGOS |
Advanced Research Global Observation Satellite |
|
ARGUS |
Astronomical Research Group Under Stars |
|
ARISTOTELES |
Applications and Research Involving Space Technologies Observing the Earth's Field from Low Earth Orbiting Satellite |
|
ARKod |
Annual Report of the Kodaikanal Observatory |
|
ArmOL |
Armagh Observatory Leaflet |
|
ARTEMIS |
Advanced Relay TEchnology MISsion |
|
ASA |
Astronomical Society Of The Atlantic |
|
ASAIO |
American Society for Artificial Internal Organs |
|
ASAP |
As Soon As Possible (pronounced AY-sap) |
|
ASAS |
All Sky Automated Survey |
|
ASC |
Ambulatory Surgery Center |
|
ASC |
Agence Spatiale Canadienne |
|
ASCA |
Advanced Satellite for Cosmology & Astrophysics |
|
ASCA |
Advanced Satellite for Cosmology and Astronomy |
|
ASCH |
Alien Societies Culture And History |
|
ASCII |
American National Standard Code for Information Interchange |
|
ASCP |
American Society for Clinical Pharmacology and Therapeutics |
|
ascrs |
American Society of Cataract and Refractive Surgery's |
|
ash |
American Society of Hematology's |
|
ASHP |
American Society of Hospital Pharmacists |
|
ASI |
Agenzia Spaziale Italiana |
|
ASIAA |
Academia Sinica Institute of Astronomy and Astrophysics |
|
ASIM |
American Society of International Medicine |
|
ASKAP |
Australian Square Kilometre Array Pathfinder |
|
ASM |
American Society for Microbiology |
|
ASMT |
American Society for Medical Technology |
|
ASP |
Astronomical Society of the Pacific |
|
ASP |
Analog Signal Processor |
|
ASPP |
Atmospheric and Space Plasma Physics |
|
ASPRv |
Astrophysics and Space Physics Reviews |
|
ASQ |
Alpha System Qualification |
|
ASRM |
Advanced Solid Rocket Motor |
|
ASSA |
Astronomical Society of South Africa |
|
ASSU |
Annual Scientific Supplement to Urania |
|
AST |
Apparent Solar Time |
|
AST |
Astrometry Science Team |
|
ASTD |
Advanced Space Technology Division |
|
AstHe |
Astronomical Herald |
|
AstL |
Astronomy Letters |
|
ASTM |
American Society for Testing and Materials (Philadelphia, Pennsylvania) |
|
AstQ |
Astronomy Quarterly |
|
ASTRA |
Astrophysics and Space Sciences Transactions |
|
ASTRA |
Advanced Star Tracker |
|
ASTRO |
Autonomous Space Transport Robotic Operations |
|
ASW |
Address and Synchronization Word |
|
ASWG |
Astronomical Science Working Group |
|
ASWG |
ATST (Advanced Technology Solar Telescope) Science Working Group |
|
AT |
Acceptance Test |
|
ATC |
Absolute Time Command |
|
ATCA |
Australia Telescope Compact Array |
|
ATDRS |
Advanced Tracking and Data Relay Satellite |
|
ATel |
Astronomer's Telegram |
|
ATLAS |
ACTIVITIES Atmospheric Laboratory for Applications and Science |
|
ATLAS |
Advanced Technology Large-Aperture Space Telescope |
|
ATM |
Amateur Telescope Making |
|
ATM |
Apollo Telescope Mount (on Skylab) |
|
ATM |
Amateur Telescope Maker |
|
ATO |
Abort To Orbit |
|
ATPI |
Astronomy Through Practical Investigations |
|
ATR |
Absolute Time Reference |
|
ATV |
Automated Transfer Vehicle |
|
AU |
Astronomical Unit |
|
AU |
Alternate Universe |
|
AUASS |
Arab Union for Astronomy and Space Sciences |
|
AUDS |
ALFA Ultra Deep Survey |
|
AuJPA |
Australian Journal of Physics Astrophysical Supplement |
|
AURA |
Association of Universities for Research in Astronomy, Inc. |
|
AVO |
Astrophysical Virtual Observatory |
|
AVSOA |
American Association of Variable Stars Observers Abstracts |
|
AVSOM |
American Association of Variable Stars Observers Monographs |
|
AVSOQ |
American Association of Variable Stars Observers Quarterly Reports |
|
AVSOR |
American Association of Variable Stars Observers Reports |
|
AVWG |
Assembly and Verification Working Group |
|
AW&ST |
Aviation Week & Space Technology |
|
AWG |
Astronomy Working Group |
|
AXAF |
Assembly and Verification Working Group |
|
AXAF |
Advanced X-Ray Astrophysics Facility |
|
AXP |
Anomalous X-Ray Pulsar |
|
AZ |
Azimuth |
|
AZA |
Analiza Zanieczyszczenia Atmosfery |
|
b |
Barnard |
|
B-V |
Binary - Variable star |
|
B/L |
Baseline |
|
B/W |
Black and White |
|
BAA |
British Astronomical Association |
|
BAAS |
Bulletin of the American Astronomical Society |
|
BAC |
Bordeaux Astrographic Catalog |
|
BAE |
British Aerospace Systems, LTD |
|
BAICz |
Bulletin of the Astronomical Institutes of Czechoslovakia |
|
BaltA |
Baltic Astronomy |
|
BANS |
Bulletin of the Astronomical Institutes of the Netherlands, Supplement Series |
|
BAO |
Beijing Astronomical Observatory |
|
BASBr |
Bulletin of the Astronomical Society of Brazil |
|
BASD |
Ball Aerospace Systems Division |
|
BASI |
Bulletin of the Astronomical Society of India |
|
BASIS |
Burst and All-Sky Imaging Survey |
|
BAT |
Burst Alert Telescope |
|
BATC |
Beijing-Arizona-Taiwan-Connecticut |
|
BATSE |
Burst and Transient Source Experiment |
|
BATTeRS |
Bisei Asteroid Tracking Telescopes for Rapid Survey |
|
BAV |
Bundesdeutsche Arbeitsgemeinschaft fur Veraenderliche Sterne |
|
BAVSO |
Bulletin of the American Association of Variable Stars Observers |
|
BB |
Black-body |
|
BBF |
Bursty Bulk Flow |
|
BBH |
Big Black Hole |
|
BBT |
Big Bang Theory |
|
BBXRT |
Broadband XRay Telescope |
|
BCCP |
Berkeley Center for Cosmological Physics |
|
BCD |
Blue Compact Dwarf |
|
BCD |
Basic Calibrated Data |
|
BCD |
Binary-Coded Decimal |
|
BCEP |
Beta CEPhei |
|
BCG |
Blue Compact Galaxy |
|
BCrAO |
Bulletin Crimean Astrophysical Observatory |
|
BCS |
Bragg Crystal Spectrometer |
|
BCVS |
Bibliographic Catalogue of Variable Stars |
|
BD |
Bonner Durchmusterung |
|
BD |
Brown Dwarf |
|
BDB |
Big Dumb Booster |
|
BDEC |
Bendix Field Engineering Corporation |
|
BDF |
Block Data Format |
|
BE |
Bright Elements |
|
BEM |
Bug-Eyed Monster (Late 40's-early 50'soft-used, and still in use, Sci-Fi term) |
|
BER |
Bit-Error Rate |
|
BEV |
Billion Electron Volts |
|
BF |
Broadening Function |
|
BH |
Black Hole |
|
BHAS |
Black Hills Astronomical Society |
|
BHB |
Blue Horizontal Branch |
|
BHB |
Black Hole Bang |
|
BHC |
Black Hole Candidate |
|
BHH(s) |
Black Hole(s) |
|
BHTA |
British Healthcare Trades Industry |
|
BHXRT |
Black Hole X-Ray Transient |
|
BIMA |
Berkeley-Illinois-Maryland Array |
|
BIO |
Biotechnology Industry Organization |
|
BIS |
British Interplanetary Society |
|
BITP |
Bogolyubov Institute for Theoretical Physics |
|
BKoAS |
Bulletin of Korean Astronomical Society |
|
BLAST |
Balloon-borne Large Aperture Submillimeter Telescope |
|
blg |
bulge |
|
BLO |
Bl Lac Object |
|
BLOB |
Binary Large Object |
|
BM |
Blue Moon |
|
BMA |
British Medical Association |
|
BMDO |
Ballistic Missile Defense Office |
|
BMO |
Black Moving Object |
|
BNSC |
British National Space Centre |
|
BO |
Biological Origin |
|
BOAO |
Bohyunsan Optical Astronomy Observatory |
|
BOD |
Board of Directors (Budget) |
|
BOOK |
Bio Optical Organized Knowledge |
|
BOSS |
Bullet Of Super Speed |
|
bpi |
bits per inch |
|
bpm |
Bruce Proper Motion |
|
bps |
bits per second |
|
BPSK |
binary phase shift keying |
|
BRAS |
Baton Rouge Astronomical Society |
|
BRAVO |
Back-End Redesign for Added Value for Observers |
|
BRITE |
Bright-Star Target Explorer |
|
BS |
Bica and Schmitt |
|
BS |
Burrell Schmidt telescope |
|
BSG |
Blue SuperGiant |
|
BSI |
British Standards Institution |
|
BSS |
Bigelow Sky Survey |
|
BSS |
Blue Straggler Star |
|
BST |
British Summer Time [GMT 0100] |
|
BTOK |
Bulletin of the Tokyo Astronomical Observatory |
|
BTU |
British Thermal Unit |
|
BTW |
By The Way |
|
BUBes |
Bulletin of the University of Besancon Observatory |
|
BWI |
Baltimore-Washington International Airport, between Baltimore, Maryland and Washington, DC, United States |
|
BY |
BY Draconis |
|
BZ |
Brillouin zone - a uniquely defined primitive cell in reciprocal space |
|
C&A |
calibration and analysis |
|
c&dh |
Control and Data Handling |
|
C&T |
Communications and Tracking |
|
C/C |
configuration control |
|
CA |
Coronagraphic Apodizer |
|
CAAA |
Capital Area Astronomy Association |
|
CAAS |
Central Arkansas Astronomical Society |
|
CADC |
Canadian Astronomy Data Centre |
|
CADC |
Canadian Astronomical Data Center |
|
CAI |
Calcium Aluminum-rich Inclusion |
|
CAL |
Casual Astronomy League |
|
CALL |
Collaborative Asteroid Lightcurve Link |
|
CAMAC |
Computer-Aided Measurement and Control |
|
CAMC |
Carlsberg Automatic Meridian Circle |
|
CamRe |
Cambridge Observatories Reprints |
|
CanX |
Canadian Advanced Nanospace Experiments |
|
CAP |
College of American Pathologists |
|
CapMi |
Royal Observatory Cape Mimeogram |
|
CAPS |
Cassini Plasma Spectrometer |
|
CARA |
Center for Astrophysical Research in Antarctica |
|
CARA |
California Association for Research in Astronomy |
|
CarOB |
Carter Observatory Wellington New Zealand Astronomical Bulletins |
|
CarRe |
Carter Observatory Wellington New Zealand Reprints |
|
CAS |
Cambridge Astrophysics Series |
|
CASA |
Common Astronomy Software Applications |
|
CASB |
Catalogs and Survey Branch |
|
CASE |
computer-automated software engineering |
|
CASJ |
Canadian Aeronautics and Space Journal |
|
CASJQ |
Canadian Aeronautics and Space Journal Quarter |
|
CASS |
Center for Advanced Space Studies |
|
CATS |
Cheap Access to Space |
|
CBER |
Center for Biologics Evaluation and Research |
|
CBI |
Confederation of British Industries |
|
CBO |
Congressional Budget Office |
|
CBP |
Collateral Benefits Plan |
|
CBR |
Cosmic Background Radiation |
|
CBS |
Contract and Business Services |
|
CC |
Candidate Companion |
|
CCA |
Cambridge Contemporary Astrophysics |
|
CCAFS |
Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from. |
|
CCAR |
Colorado Center for Astrodynamics Research |
|
CCAS |
Cape Cod Astronomical Society |
|
CCAS |
Cape Canaveral Air Station |
|
CCB |
Configuration Control Board |
|
CCD |
Charge Coupled Device - a device for the movement of electrical charge. |
|
CCD |
Color-Color Diagram |
|
CCDM |
Catalog of Components of Double and Multiple Stars |
|
CCDS |
Centers for the Commercial Development of Space |
|
CCF |
Cosmogenic Correlation Factor |
|
CCIR |
Comit? Consultatif International Pour La Radio (French For Consultative Committee On International Radio |
|
CCITT |
Consultative Committee on International Telegraph & Telephone |
|
CCL |
Closed Conference Loop |
|
CCLRC |
Central Laboratory of the Research Councils |
|
CCMS |
Command Control and Monitor System |
|
CCO |
Central Compact Object |
|
CCO |
Catalogue of Cometary Orbits |
|
CCR |
Cost-Charge Ratio |
|
CCR |
Configuration Change Request |
|
CCS |
Cool Carbon Star |
|
CCSN |
core-collapse supranovæ |
|
CCTV |
Closed Circuit Television |
|
CD |
Compact Disc |
|
CD |
Cordoba Durchmusterung |
|
CD-ROM |
compact disc-read only memory |
|
CDBS |
Calibration Data Base System |
|
CDC |
Centers for Disease Control |
|
CDCA |
Centre de Depoiullement des Cliches Astronimiques |
|
CDIMP |
Catalogue of Discoveries and Identifications of Minor Planets |
|
CDM |
Cold Dark Matter |
|
CDMH |
Cold Dark Matter Haloes |
|
CDR |
Critical Design Review |
|
CDRH |
Center for Devices and Radiological Health (Food & Drug Administration) |
|
CDS |
Coronal Diagnostic Spectrometer |
|
CDSF |
Commercially Developed Space Facility |
|
CDT |
Connaissance Des Temps |
|
CEA |
Center for EUV Astrophysics |
|
CEAB |
Central European Astrophysical Bulletin |
|
CEC |
Commission of the European Communities ; |
|
CELT |
California Extremely Large Telescope |
|
CeMDA |
Celestial Mechanics and Dynamical Astronomy |
|
CeMec |
Celestial Mechanics |
|
CEMP |
Carbon-Enhanced Metal-Poor |
|
CEN |
Committee European de Normalisation |
|
CENELEC |
European Committee for Electromechanical Standardisation |
|
CEO |
Corporate Europe Observatory |
|
CEP |
CEPheid |
|
CES |
Central Electromagnetic Shower |
|
CEV |
Crew Exploration Vehicle |
|
CfA |
Harvard-Smithsonian Center for Astrophysics, USA |
|
CFC |
Chloroflourocarbon |
|
CFCO |
Committee for Crescent Observation |
|
CfCP |
Center for Cosmological Physics |
|
CFF |
Columbus Free Flyer |
|
CFHT |
Canada-France-Hawaii Telescope |
|
CFIT |
Controlled Flight into Terrain |
|
CFR |
Code of Federal Regulations |
|
CFS |
Chandrasekhar - Friedmann - Schutz instability |
|
CG |
Cometary Globule |
|
CG |
Compact Galaxy |
|
CG |
Center of Gravity (DXS) |
|
CG |
Central Galaxy |
|
CGCS |
Catalogue of Galactic Carbon Stars |
|
CGCS |
Cool Galactic Carbon Star |
|
CGRO |
Compton Telescope |
|
CGRO |
Compton Gamma Ray Obsrvatory |
|
CGRO |
Compton Gamma-Ray Observatory |
|
CGSS |
Catalogue of Galactic S Stars |
|
ChA&A |
Chinese Astronomy and Astrophysics |
|
CHARA |
Center for High Angular Resolution Astronomy |
|
CHI |
California Healthcare Institute |
|
CHIME |
College of Healthcare Information Management Executives |
|
CHIP |
Cosmic Hot Interstellar Plasma |
|
CHIPS |
Cosmic Hot Interstellar Plasma Spectrometer |
|
ChJAA |
Chinese Journal of Astronomy and Astrophysics |
|
ChJSS |
Chinese Journal of Space Science |
|
CHPA |
Consumer Healthcare Products Association |
|
ChSAJ |
Chinese Society of Astronautics Journal |
|
CHSS |
Century Halo Star Survey |
|
ChSST |
Chinese Space Science Technology |
|
CHZ |
Circumstellar Habitable Zone |
|
CIAO |
Chandra Interactive Analysis of Observations |
|
CIAO |
Coronagraphic Imager with Adaptive Optics |
|
CIB |
Cosmic Infrared Background |
|
CiBAA |
Circular of the British Astronomical Association |
|
CIBR |
Cosmic Infrared Background Radiation |
|
CIDA |
Cometary Interplanetary Dust Analyzer |
|
CINEOS |
Campo Imperatore Near-Earth Object Survey |
|
CIO |
Catalog of Infrared Observations |
|
cIP |
Celestial Intermediate Pole |
|
CIRCE |
Confusion-limited Infrared Cosmology Explorer |
|
CIRRIS |
Cryogenic Infrared Radiance Instrument for Shuttle |
|
CISCO |
Cooled Infrared Spectrograph and Camera for OHS |
|
CIT |
California Institute of Technology (Pasadena, CA) |
|
CIT |
Circumstellar Imaging Telescope |
|
CITECH |
Center for Information on Technology in Healthcare |
|
CiUO |
Circular of the Union Observatory Johannesburg |
|
CKSM |
checksum |
|
CL |
Command Language |
|
CLMA |
Clinical Laboratory Management Association |
|
CM |
Configuration Management |
|
Cm |
Critical mass |
|
CM |
Center of Mass |
|
cm |
Centimeter |
|
CM |
Command Module |
|
CM/QA |
Configuration Management/Quality Assurance |
|
CMA |
Chemical Manufacturers Association |
|
CMA |
Canis Majoris A |
|
CMB |
Cosmic Microwave Background |
|
CMBR |
Cosmic Microwave Background Radiation |
|
CMC |
Carlsberg Meridian Catalogue |
|
CMCC |
Central Mission Control Centre |
|
CMD |
Color-Magnitude Diagram |
|
CME |
Coronal Mass Ejection (usually Sun) |
|
CME |
Coronal Mass Ejections |
|
CMF |
Core Mass Function |
|
CMOS |
Complimentary Metal Oxide Semiconductor |
|
CMP |
Competitive Medical Plan |
|
CMS |
Correctional Medical Services |
|
CMT |
Carlsberg Meridian Telescope |
|
CNB |
Cosmic Neutrino Background |
|
CNES |
Centre National d'Etude Spatiales |
|
CNO |
Carbon-Nitrogen-Oxygen |
|
CNS |
Computing and Network Services |
|
CNS |
Central Navigation System |
|
CNSA |
China National Space Administration |
|
CNSR |
Comet Nucleus Sample Return |
|
CO |
Contracting Officer |
|
CoArm |
Contributions from the Armagh Observatory |
|
CoASP |
Comments on Astrophysics and Space Physics |
|
CoAst |
Communications in Asteroseismology |
|
Cob |
close of business (End of duty day) |
|
COBE |
Cosmic Background Explorer Satellite (NASA) |
|
CoBos |
Contributions from the Bosscha Observervatory |
|
COBRAS-SAMBA |
Cosmic Background Radiation Anisotropy Satellite / Satellite for Measurement of Background Anisotrop |
|
CoBrn |
Contributions of the Public Observatory and Planetarium in Brno |
|
CoCam |
Contributions from the Cambridge Observatory England |
|
COCIR |
Coordination Committee of the Radiological and Electromedical Industries |
|
COD |
Carbon Oxygen Dwarf |
|
CoDDO |
Communications from the David Dunlap Observatory |
|
CODE |
Creation Out of Deep Energy |
|
CODMAC |
Committee on Data Management and Computing |
|
COHSI |
Cambridge OH-Suppression Instrument |
|
CoKon |
Commmunications of the Konkoly Observatory Hungary |
|
Col |
Collinder catalog |
|
CoLic |
Contributions of Lick Observatory |
|
CoLon |
Communications of the University of London Observatory |
|
CoLPL |
Communications of the Lunar and Planetary Laboratory |
|
ComAp |
Comments on Astrophysics |
|
COMICS |
Cooled Mid-Infrared Camera and Spectrometer |
|
COMPTEL |
Compton Telescope |
|
ComSp |
Commercial Space |
|
CON |
Certificate Of Need |
|
CoOxf |
Communications from the University Observatory Oxford |
|
CoPer |
Contributions of Perkins Observatory |
|
CopRe |
Copenhagen University Observatory Reprints |
|
CoPri |
Contributions from the Princeton University Observatory |
|
CoRad |
Communications from the Radcliffe Observatory Pretoria South Africa |
|
CoROE |
Communications from the Royal Observatory Edinburgh |
|
COROT |
Convection Rotation and Planetary Transits |
|
CoSka |
Contributions of the Astronomical Observatory Skalnate Pleso |
|
COSPAR |
Committee on Space Research (ICSU) |
|
CosRe |
Cosmic Research |
|
CosSe |
Cosmic Search Summer |
|
COSTAR |
Corrective Optics Space Telescope Axial Replacement |
|
COT |
Check-Out on Type |
|
COTS |
Commercial Off the Shelf Software |
|
COTS |
Cheap Off the Shelf |
|
COVVO |
Contributions of the Van Vleck Observatory |
|
CoWat |
Contributions of the University of Waterloo Observatory |
|
CoWro |
Contributions from the Wroclaw Astronomical Observatory |
|
CP |
Cambridge Pulsar |
|
CP |
Chemically Peculiar |
|
CPAF |
Cost Plus Award Fee (Type of Contract) |
|
CPD |
Cape Photographic Durchmusterung |
|
CPFF |
Cost Plus Fixed-Fee |
|
CPI |
Continuous Process Improvement |
|
cpi |
characters per inch |
|
CPMF |
cost plus management fee |
|
CPMM |
characters per millimeter |
|
CPU |
Central Processing Unit |
|
CQGra |
Classical and Quantum Gravity |
|
CQGrS |
Classical and Quantum Gravity Supplement |
|
CRAF |
Comet Rendezvous/Asteroid Fly-by |
|
CRAF |
Committee on Radio Astronomy Frequencies |
|
CRAP |
Completely Radical Anthropic Principle |
|
CRAQ |
Centre for Research in Astrophysics of Québec |
|
CraRe |
Cracow Observatory Reprints |
|
CRB |
Change Review Board |
|
CRBT |
Cosmic Ray Background Test |
|
CRC |
Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check) |
|
CREAM |
Cosmic Ray Energetics and Mass |
|
CRF |
Case Report Form |
|
CRISTA |
Cryogenic Infrared Spectrometer Telescope For Atmosphere |
|
CRL |
Compound Refractive Lens |
|
CRO |
Contract Research Organization |
|
CRPL |
Cosmic Ray Physics Laboratory |
|
CRRES |
Combined Release Radiation Effects Satellite |
|
CRS |
Congressional Research Service |
|
CRS |
Cambridge Reference Sequence |
|
CRSR |
Center for Radiophysics and Space Research |
|
CRT |
Cathode Ray Tube (type of TV) |
|
CRTS |
Centre Royal de Teledetection Spatiale |
|
CRTS |
Catalina Real-Time Transient Survey |
|
CSA |
Canadian Standards Association (like UL) |
|
CSA |
Canadian Space Agency |
|
CSAA |
Committee on Space Astronomy and Astrophysics |
|
CSBN |
Committee for Small-Body Nomenclature |
|
CSC |
Collection of Small Companies. Alternative interpretation (apparently used by staff) of the CSC company name, which properly stands for Computer Sciences Corporation. The 'Collection of Small Companies' version reflects CSC's operatianal structure, which |
|
CSE |
Circumstellar Envelope |
|
CSF |
Clustered Star Formation |
|
CSG |
Council of State Governments |
|
CSI |
Catalog of Stellar Identification |
|
CSLG |
Campus-wide Software License Grants Program |
|
CSM |
Circumstellar Material |
|
CSM |
Central Star Magnitude |
|
CSM |
Command and Service Module |
|
csma |
Committee on the Status of Minorities in Astronomy |
|
CSO |
Caltech Submillimeter Observatory |
|
CSPAR |
Center for Space Plasma and Aeronomic Research |
|
CSPN |
Central Star of Planetary Nebula |
|
CSS |
Catalina Sky Survey |
|
CST |
Constant-Separation Traversing |
|
CST |
Constant Strain Triangle |
|
CST |
Constant |
|
CSTC |
Consolidated Space Test Center |
|
CSV |
Catalog of Suspected Variables |
|
CSVS |
Catalogue of Suspected Variable Stars |
|
CSWA |
Committee on the Status of Women in Astronomy |
|
CT |
Cerro Tololo |
|
CTA |
Computer Technology Associates (GSFC) |
|
CTB |
Cargo Transfer Bag |
|
CTE |
Charge Transfer Efficiency |
|
CTIO |
Cerro Tololo Inter-American Observatory |
|
CTO |
Color Temperature Orange |
|
CTRF |
Celestial and Terrestrial Reference Frames |
|
CTTS |
Classical T Tauri Star |
|
CTWG |
Calibration Targets Working Group |
|
CU |
Calibration Unit |
|
CV |
Curriculum Vitae |
|
CV |
Cataclysmic Variable |
|
CVA |
Central Valley Astronomers |
|
CVAS |
Chippewa Valley Astronomical Society |
|
CVC |
Current-to-Voltage Converter |
|
CVN |
Canes Venatici (A constellation in the Northern Hemisphere near Ursa Major and Boötes, under the handle of the Big Dipper) |
|
CVP |
Continuously Variable Planetary |
|
CVZ |
Continuous Viewing Zone (Hubble Space Telescope; US NASA) |
|
CW |
Clockwise |
|
CWS |
Committee on World Standards |
|
CXBR |
Cosmic X-ray Background Radiation |
|
CXO |
Chandra X-ray Observatory |
|
CY |
Calendar Year |
|
CYSF |
Cape York Space Facility |
|
D |
Directive |
|
D |
Director |
|
D |
Diameter |
|
D/A |
Digital-to-Analog |
|
DADS |
Data Archive and Distribution System |
|
DAG |
Doğu Anadolu Gozlemevi |
|
DAO |
Dominion Astrophysical Observatory (Victoria, BC, Canada) |
|
DAOAR |
Dominion Astrophysical Observatory Annual Report |
|
DAR |
Defense Acquisition Regulation |
|
DAV |
Deerlick Astronomy Village |
|
DBMS |
Data Base Management System |
|
DBSA |
Database and System Administration team |
|
dBw |
decibel reference to 1 watt |
|
DC |
Direct Current |
|
DC |
Delta Clipper |
|
DCA |
Detector Control Assembly |
|
DCB |
Design Change Board |
|
DCC |
Document Control Center |
|
DCEP |
Delta Cepheid |
|
DCF |
Data Capture Facility |
|
DCL |
Digital Control Language |
|
DCMF |
Data Capture and Management Facility |
|
DCR |
Document Change Request |
|
dct |
Discrete Cosine Transformer |
|
DCX |
Delta Clipper Experimental |
|
DD |
Deputy Director |
|
DDA |
Division on Dynamical Astronomy |
|
DDCMP |
Digital Data Communications Message Protocol |
|
DDCU |
DC-to-DC Converter Unit |
|
DDF |
Directors Discretionary Funds |
|
DDL |
Data Definition Language |
|
DDORe |
David Dunlap Observatory Richmond Hill Reprints |
|
DDTE |
Design, Development, Test, and Evaluation |
|
DE |
Dwarf elliptical |
|
de |
Detector Efficiency |
|
DeaCo |
Dearborn Observatory Contributions |
|
DEC |
Declination |
|
DEC |
Digital Equipment Corporation |
|
DEED |
Minnesota Department of Employment and Economic Development |
|
DEFCAL |
deflection calibration |
|
DEM |
Differential Emission Measure |
|
DENIS |
Deep Near-Infrared Survey |
|
DES |
Dark Energy Survey |
|
DES |
Deep Ecliptic Survey |
|
DFRC |
Dryden Flight Research Center |
|
DFRF |
Dryden Flight Research Facility |
|
DG |
Data Group |
|
DH |
Data Handling |
|
DIB |
Diffuse Interstellar Band |
|
DIG |
Dwarf Irregular Galaxy |
|
DIN |
Day Into Night |
|
DIN |
Deutsches Institut für Normung. |
|
DIN |
Deutsches Institut fur Normung |
|
DISR |
Descent Imager/Spectral Radiometer |
|
DIST |
Distance |
|
DLR |
Deutschen Zentrum für Luft- und Raumfahrt |
|
DM |
Dark Matter |
|
DMA |
direct memory access (computer term) |
|
DME |
Durable Medical Equipment |
|
DMERC |
Durable Medical Equipment Regional Carrier |
|
DMF |
Data Management Facility |
|
DMS |
Daily Mission Schedule |
|
DMS |
Data Management Subsystem |
|
DMSP |
Defense Meteorological Satellite Program (U.S.) |
|
DN |
Data Number |
|
DN |
Dwarf Nova |
|
dn |
Dwarf Novae |
|
DN |
Digital Number |
|
DNA |
Digital Network Architecture |
|
DNS |
Double Neutron Star |
|
DOAMS |
distant-object attitude-measuring system |
|
DOC |
Data Operations Center |
|
DOD |
United States Department of Defense |
|
DOE |
United States Department of Energy (government) |
|
DoH |
Department of Health (various countries) |
|
DOMSAT |
Domestic Communications Satellite System |
|
DOS |
Degrees Of Separation |
|
DOT |
Department of Transport |
|
DOV |
Director of Orbital Verification |
|
DOY |
Day of Year |
|
DPOSS |
Digitized Palomar Observatory Sky Survey |
|
DPS |
Division for Planetary Sciences |
|
DQE |
Detector Quantum Efficiency |
|
DQF |
Data Quality File |
|
DRAA |
Durham Regional Astronomical Association |
|
DRAO |
Dominion Radio Astrophysical Observatory |
|
DRD |
Data Requirements Document |
|
DRG |
Diagnosis-Related Groups |
|
DRO |
Distant Retrograde Orbit |
|
DRS |
Direct Receiving Station |
|
DRS |
Data Relay Satellite |
|
DS |
Dwarf Star |
|
DSCS |
U.S. Defense Satellite Communications System |
|
DSD |
Data Systems Division |
|
DSMA |
Division of Small Manufacturers Assistance |
|
DSMB |
Data Safety Monitoring Board |
|
DSN |
Deep Space Network - network of large antennas and communication facilities. |
|
DSN |
deep-space network |
|
DSNPR |
Deep Space Network Progress Report |
|
dso |
Deep Space Object |
|
DSO |
Deep Sky Object |
|
DSOB |
Data Systems Operations Branch |
|
DSOS |
Dish Surface Optimization System |
|
DSP |
Defense Support Program |
|
DSS |
Digitized Sky Survey |
|
DSS |
Deep Space Station |
|
DSSC |
Deep Space Station Complex |
|
DSSN |
Delta Scuti Star Newsletter |
|
DudOR |
Dudley Observatory Reports |
|
DunOP |
Dunsink Observatory Publications |
|
DunRe |
Dunsink Observatory Reprints |
|
DurOO |
Durham Observatory Observations |
|
DVA |
Detector Vacuum Assembly |
|
DWE |
Doppler Wind Experiment |
|
DyeRe |
Dyer Observatory Reprints |
|
E |
Earth |
|
E |
Eclipsing |
|
E&PSL |
Earth and Planetary Science Letters |
|
e&s |
Earth and Space |
|
E-ELT |
European Extremely Large Telescope |
|
E/A |
Ephemeris/Attitude |
|
EA |
Eclipsing Algol |
|
EAA |
Encyclopedia of Astronomy and Astrophysics |
|
EAAA |
Escambia Amateur Astronomers Association |
|
EAAE |
European Association for Astronomy Education |
|
EAAS |
East Antrim Astronomical Society |
|
EAC |
European Astronaut Centre |
|
EAFB |
Edwards Air Force Base |
|
eAPJ |
Electronic AstroPhysical Journal Letters |
|
EAPSNET |
East-Asian Planet Search Network |
|
EAPU |
External Auxiliary Power Unit |
|
EARS |
Electrostatic Atmospherics Radio Sensor |
|
EB |
Eclipsing Beta |
|
EBA |
Electronics Bay Assembly |
|
EBCi |
Eclipsing Binaries Circulars |
|
EBE |
Extraterrestrial Biological Entity |
|
EBL |
Everything But Light |
|
EBL |
Extragalactic Background Light |
|
EBS |
Electron Bombarded Silicon |
|
EBTC |
Edison BioTechnology Center |
|
EC |
Embedded Cluster |
|
EC |
European Community |
|
ECA |
Electronics Control Assembly |
|
ECA |
Earth-Crossing Asteroid |
|
ECA |
Earth Crossing Asteroid |
|
ECCLS |
European Committee on Clinical Laboratory Standards |
|
ECEF |
EarthCentered EarthFixed |
|
ECF |
European Coordinating Facility |
|
ECO |
Earth crossing object |
|
ECRI |
Emergency Care Research Institute |
|
ECS |
Environmental Control System (Subsystem) |
|
ECSS |
European Cooperation for Space Standardization |
|
ECT |
Equator Crossing Time |
|
EDB |
Engineering Data Base |
|
EDMA |
European Diagnostics Manufacturer's Association |
|
EDO |
Extended Duration Orbiter |
|
EDT |
Eastern Daylight Time |
|
EED |
Extracted Engineering Data |
|
EEO |
Equal Employment Opportunity |
|
EExSc |
Earth and Extraterrestrial Sciences |
|
EF |
Event Foreground |
|
EFCS |
Earth-fixed coordinate system |
|
EFPIA |
European Federation of Pharmaceutical Industries and Associations |
|
EFR |
Emerging Flux Region |
|
EFRF |
Earth Fixed Reference Frame |
|
EGG |
Evaporating Gaseous Globule |
|
EGGR |
Eggen & Greenstein |
|
EGP |
Extrasolar Giant Planet |
|
EGRET |
Energetic Gamma Ray Explorer Telescope |
|
EGRET |
Energetic Gamma-Ray Experiment Telescope |
|
EGRET |
Energetic Gamma Ray Experiment Telescope |
|
Ehb |
Extreme Horizontal Branch |
|
EIA |
Extended Interaction Amplifier |
|
EIT |
Extreme Ultraviolet Imaging Telescope |
|
EJASA |
Electronic Journal of the Astronomical Society of the Atlantic |
|
EKBO |
Edgeworth-Kuiper Belt Object |
|
EL |
Enlarging Lens |
|
ELIAS |
European Large Area ISO Survey |
|
ELT |
Extremely Large Telescope |
|
ELV |
Expendable Launch Vehicle |
|
EMB |
Earth Moon Barycenter |
|
EMDM |
European Medical Device Manufacturer |
|
EME |
Earth-to-Moon-to-Earth |
|
EMP |
Ephemerides of Minor Planets |
|
EMP |
Extremely Metal-Poor |
|
emu |
Extra-vehicular Mobility Unit |
|
ENACS |
ESO Nearby Abell Cluster Survey |
|
ENE |
East North East |
|
EO |
Earth Observatory |
|
EOF |
End Of File |
|
EOL |
Earth Observing Laboratory (formerly ATD) |
|
EOL |
End Of Line |
|
EOR |
End of Record |
|
EOS |
Earth Observing System (U.S.) |
|
EOSL |
Earth Observation Systems Laboratory |
|
EOT |
End Of Tape |
|
EOY |
End-Of-Year |
|
EPAO |
Educational and Public Affairs Office |
|
EPD |
Energetic Particles Detector |
|
EPD |
Expected Planetary Differences |
|
EPIC |
Earth Polychromatic Imaging Camera |
|
EPOS |
European Project on the Sun |
|
EPS |
Encapsulated Postscript |
|
ER |
Eastern Range |
|
ERBS |
Earth Radiation Budget Satellite |
|
ERF |
Energy Rejection Filter |
|
ERO |
Extremely Red Object |
|
EROS |
Earth Resources Observation Satellite |
|
ERRSAC |
Eastern Regional Remote Sensing Applications Center |
|
ERS |
Earth Resources Satellite |
|
ESA |
European Space Agency |
|
ESABu |
European Space Agency Bulletin |
|
ESAJ |
European Space Agency Journal |
|
ESAST |
European Space Agency Scientific Technical Review |
|
ESB |
Engineering Support Branch |
|
ESDAC |
European Space Data Center |
|
ESIS |
ESA Space Information Systems |
|
ESIS |
European Space Information System |
|
ESO |
European Southern Observatory |
|
ESOAR |
European Southern Observatory Annual Reports |
|
ESOB |
European Southern Observatory Bulletin |
|
ESOC |
European Space Operations Center |
|
ESOSP |
European Southern Observatory Scientific Preprints |
|
ESOSR |
European Southern Observatory Scientific Report |
|
ESPI |
European Space Policy Institute |
|
ESRIN |
European Space Research Institute |
|
ESRO |
European Space Research Organisation |
|
ESS |
Engineering Support System |
|
EST |
Eastern Standard Time |
|
ESTEC |
European Space Research and Technology Centre |
|
ESTEC |
European Space Technology Center |
|
ESTEC |
European Space Research and Technology Center |
|
ESTP |
European Space Technology Platform |
|
ESTR |
Engineering and Science Tape Recorder |
|
ET |
Ephemeris Time (now obsolete) |
|
ET |
External Tank |
|
ETA |
Estimated Time of Arrival |
|
ETC |
Estimated Time to Completion |
|
ETI |
Extraterrestrial Intelligence |
|
ETLA |
Extended Three Letter Acronym |
|
ETOL |
ESA Test and Operations Language |
|
ETR |
Eastern Test Range (ESME Preferred) |
|
ETR |
Engineering Tape Recorder |
|
ETRD |
Engineering Tape Recorded Data |
|
EU |
Engineering Unit |
|
EU |
Extended Universe |
|
EU |
European Union (1994; formerly referred to as the EEC or EC) |
|
EU |
Expanded Universe |
|
EUCOMED |
European Confederation of Medical Suppliers Associations |
|
EUDRA |
European Drug Regulatory Authorities Network |
|
EUSO |
Extreme Universe Space Observatory |
|
EUV |
Extreme Ultra-Violet 2 |
|
EUV |
Extreme Ultraviolet Vertical |
|
EUVE |
Extreme Ultraviolet Explorer (NASA Satellite) |
|
EVA |
Extra-Vehicular Activity |
|
EVAC |
East Valley Astronomy Club |
|
EVGA |
European VLBI Group for Geodesy and Astrometry |
|
EVN |
European VLBI Network |
|
ExA |
Experimental Astronomy |
|
F |
Fraunhofer lines |
|
f |
Degrees Fahrenheit |
|
F&CRe |
Flower and Cook Observatory Reprints |
|
FAC |
Facilities |
|
FACC |
Ford Aerospace Communications Corporation |
|
FAHS |
Federation of American Health Systems |
|
FAME |
Full-sky Astrometric Mapping Explorer |
|
FAQ |
Frequently Asked Questions (sometimes Pronounced Fak) |
|
FAR |
Flight Acceptance Review |
|
FAST |
Fast Auroral Snapshot Explorer |
|
FASTT |
Flagstaff Astrometric Scanning Transit Telescope |
|
FAT |
File Allocation Table |
|
FAT |
Filtered Array Technology |
|
FCC |
Fornax Cluster Catalog |
|
FCPH |
Fundamentals of Cosmic Physics |
|
FD |
File Descriptor |
|
FD |
Flight Day |
|
FDA |
Food Drug Administration |
|
FDAMA |
FDA Modernization Act of 1997 |
|
FDI |
failure detection and isolation |
|
FDLI |
Food and Drug Law Institute |
|
FDR |
Final Design Review |
|
FEAT |
Fine Error Averaging Test |
|
FEB |
Falling-Evaporating Body |
|
FEM |
Finite Element Model |
|
FES |
Fine Error Signal |
|
ff |
Flat Field |
|
FFD |
First Fixation Duration |
|
FFI |
Full Frame Image |
|
FFT |
Fast Fourier Transform |
|
FGC |
Flat Galaxy Catalogue |
|
FGE |
Fine Guidance Electronics |
|
FGS |
Fine Guidance Sensors |
|
FGSAA |
FGS Access Area |
|
FHST |
fixed-head star tracker |
|
FIFO |
First In, First Out |
|
FIGV |
Factor Inercial de Ganho solar do enVidracado |
|
FIMS |
Fors Instrumental Mask Simulator |
|
FIPS |
Fast Imaging Plasma Spectrometer |
|
FIR |
Far Infrared |
|
FIRSSE |
Far Infrared Sky Survey Experiment |
|
FIRST |
Far InfraRed and Submillimeter Space Telescope |
|
FIRST |
Frontiers in Research: Space and Time |
|
FIRST |
Faint Images of the Radio Sky at Twenty-centimeters |
|
FITS |
Flexible Image Transport System |
|
FK4 |
Fundamental Katalog 4 |
|
FM |
Flight Model |
|
FMS |
forms management system |
|
FOC |
Faint Object Camera |
|
FOCAS |
Faint Object Classification and Analysis System |
|
FOP |
Friends Of Phobos |
|
FORTRAN |
FORmula TRANslation (a computer language) |
|
FOS |
Faint Object Spectrograph |
|
FOV |
Field Of View (satellite) |
|
FP |
Frozen Planet |
|
FPA |
Floating Point Accelerator |
|
FPA |
Focal Plane Assembly |
|
FPAS |
FPA Shroud |
|
FPSA |
FPA Structure Assembly |
|
FQR |
Flight Qualification Review |
|
FR |
Fanaroff-Riley |
|
FRAS |
fellow of the Royal Astronomical Society |
|
FRB(s) |
gamma ray burst(s) |
|
FRC |
Flight Research Center |
|
FRONT |
Front Range Observational Network Testbed |
|
FRR |
Flight Readiness Review |
|
FS |
Far Side |
|
FSK |
Frequency Shift Keying |
|
FSM |
First Servicing Mission |
|
FSS |
Flight Servicing System |
|
FTA |
Fault Tree Analysis |
|
FTC |
Federal Trade Commission (U.S.) |
|
FTE |
Full-Time Employee |
|
FTETTM |
From The Earth To The Moon |
|
FTL |
Faster Than Light |
|
FTP |
File Transfer Protocol |
|
FU |
Forces Unknown |
|
FU |
Flight Unit |
|
FWHM |
Full Width at Half Maximum |
|
FY |
Fiscal Year |
|
FYI |
For Your Information |
|
G |
Gravity |
|
GAAC |
Gloucester Area Astronomy Club |
|
GAF |
Geographic Adjustment Factor |
|
gam |
Global Astronomy Month |
|
GAO |
Government Accountability Office [formerly the General Accounting Office] |
|
GAS |
Getaway Special |
|
GASA |
Graduate Astronomy Students Association |
|
GASP |
GSSS Archive Support Project |
|
GATT |
General Agreement on Tariffs and Trade (government) |
|
GB |
Guide Brightness |
|
GBT |
Green Bank Telescope |
|
GC |
Galactic Center |
|
GCC |
Globular Cluster Candidate |
|
GCI |
geocentric intertial |
|
GCP |
Good Clinical Practice |
|
GCVS |
General Catalog of Variable Stars |
|
GDS |
Great Dark Spot |
|
GDSO |
Georgi Dobrovolski Solar Observatory |
|
GE |
General Electric American Communications Inc. |
|
GEIS |
Generic Edited Information Set |
|
GEM |
Galileo Europa Mission |
|
GEM |
Giotto Extended Mission |
|
GEO |
Geosynchronous Earth Orbit |
|
GG |
Gravity Gradient |
|
GGC |
Giant Gravity Core |
|
GHA |
Greenwich Hour Angle |
|
GHRS |
Goddard High Resolution Spectrograph |
|
GHTF |
Global Harmonization Task Force |
|
GHz |
Gigahertz |
|
GHZ |
Galactic Habitable Zone |
|
GIF |
Graphic Interchange Format |
|
GIMP |
Geomagnetically Induced Motion Problem |
|
GIO |
graphics input/output |
|
GKS |
Graphic Kernel System |
|
GLOB |
Globular |
|
GLOMR |
Global Low-Orbiting Message Relay |
|
GLOW |
Gross Lift-Off Weight |
|
GLP |
Good Laboratory Practice |
|
GMC |
Giant Molecular Cloud |
|
GML |
Galactic Modeling Language |
|
GMOS |
Gemini Multi-Object Spectrographs |
|
GMP |
Good Manufacturing Practice |
|
GMRT |
Giant Meter-wave Radio Telescope |
|
GMT |
Giant Magellan Telescope |
|
GMT |
Greenwich Mean Time (Zulu) |
|
GMT |
Greenwich Mean Time (now obsolete) |
|
GN |
Galactic Nebula |
|
GO |
General Observer |
|
GOES |
Geostationary Operational Environmental Satellite |
|
GOES |
Geostationary Orbiting Environmental Satellite |
|
GOX |
Gaseous Oxygen |
|
GPB |
Group Parameter Block |
|
GPC |
General Purpose Computer |
|
GPE |
Gravitational Potential Energy |
|
GPS |
Global Positioning System (ex-NAVSTAR) |
|
GR |
General Relativity |
|
GR |
Galactic Rotation |
|
GRAB |
Galactic Radiation and Background |
|
GRAND |
Gamma Ray and Neutron Detector (NASA) |
|
GRB |
Gamma Ray Bursters |
|
GRB |
Gamma Ray Blast |
|
GRB(s) |
gamma ray burst(s) |
|
GRC |
Glenn Research Center |
|
GRO |
Gamma Ray Observatory (NASA) |
|
GRS |
Great Red Spot |
|
GRS |
Gamma Ray Spectrometer |
|
GRU |
Ground Replaceable Unit |
|
GSC |
Guide Star Catalog |
|
GSFC |
Goddard Space Flight Center (Greenbelt, MD) |
|
GSOWG |
Ground Systems Operations Working Group |
|
GSP |
General Support Pool |
|
GSPC |
Guide Star Photometry Catalog |
|
GSSS |
Guide Star Selection System |
|
GST |
Ground System Test |
|
GSY |
Galactic Standard Year |
|
GT |
Galaxy Tour |
|
GTC |
Gran Telescopio Canario |
|
GTL |
Geometric Time Leverage |
|
GTO |
Geostationary Transfer Orbit |
|
GTO |
Guaranteed Time Observer |
|
GU |
Galactic Unit |
|
GVI |
Global Village Idiot |
|
GXY |
Galaxy |
|
HAACP |
Hazard Analysis Critical Control Points Program |
|
HAC |
Huachuca Astronomy Club |
|
HAO |
High Altitude Observatory (NCAR) |
|
HB |
Hot Bands |
|
HBOP |
Hale-Bopp comet |
|
HCD |
High Consistency Discharge |
|
HCFA |
Health Care Financing Administration |
|
HCIS |
Health Care Information System |
|
HCPCS |
Health Care Common Procedure Coding System |
|
HD |
Hilary Duff |
|
HDF |
Hubble Deep Field |
|
HDIF |
Health Care Data Interchange Format |
|
HDOS |
Hughes Danbury Optical Systems (Danbury CT) |
|
HEAO |
High Energy Astronomy Observatory |
|
HEDIS |
Healthplan Employee Data and Information |
|
HEO |
Highly Elliptical Orbit |
|
HERA |
Hermes Robotic Arm |
|
HESI |
High Energy Solar Imager |
|
HETE-2 |
high energy transient explorer |
|
HF |
High Frequency |
|
HFMA |
Healthcare Financial Management Association |
|
HFQPO(s) |
high-frequency quasi-periodic oscillation(s) |
|
HGA |
High Gain Antennae |
|
HGD |
Hot Gas Discharge |
|
HHS |
Health and Human Services Department |
|
HIAA |
Health Insurance Association of America |
|
HIB |
Health Insurance Bureau (Japan) |
|
HIBCC |
Health Industry Business Communications Council |
|
HIDA |
Health Industry Distributors Association |
|
HIMSS |
Healthcare Information and Management Systems Society |
|
HIPAA |
Health Insurance Portability and Accountability Act of 1996 |
|
HIPO |
Hierarchic Input-Process-Output |
|
HIRA |
Health Industry Representatives Association |
|
HIS |
Health Information Systems |
|
HIV |
Hair Is Vanishing. Amusing alternative interpretation (thanks EP) contrasting with the seriousness of the more usual meaning of Human Immunodeficiency Virus.HIVIHusband Is Village Idiot. (ODSA) Classic nurses' shorthand. |
|
HIV |
Human Immunodeficiency Virus I |
|
HKO |
Hong Kong Observatory |
|
HLC |
Heavy Lift Capability |
|
HLO |
High Light Output |
|
HLV |
Heavy Lift Vehicle |
|
HMC |
Halley Multicolor Camera |
|
HMO |
Health Maintenance Organization |
|
HMS |
High Mass Star |
|
HMSF |
High Mass Star Formation |
|
HOPPS |
Hospital Outpatient Prospective Payment System |
|
Hotol |
Horizontal Takeoff and Landing Launcher |
|
HP |
Hewlett Packard's |
|
HPB |
Health Protection Board (Canada) |
|
HPR |
Hardware Problem Report |
|
HQ |
Headquarters (HDQ Preferred) |
|
HR |
Hertzsprung-Russell |
|
HR |
HUMAN RESOURCES |
|
HRA |
High Resolution Apodizer |
|
HRC |
High Resolution Camera |
|
HRD |
Hertzsprung-Russell Diagram (astronomy) |
|
HRG |
Hertling Ring Galaxy |
|
HRI |
High Resolution Imager |
|
HRMS |
High Resolution Microwave Survey (SETI, Project Phoenix) |
|
HRS |
High Resolution Spectrograph |
|
HRSA |
U.S. Health Resources and Services Administration |
|
HS |
horizontal system |
|
HSC |
Hierachical Storage Controller |
|
HSI |
Host System Interface |
|
HSP |
High Speed Photometer |
|
HSQB |
Health Standard and Quality Bureau |
|
HST |
Hubble Space Telescope |
|
HTFA |
High Temperature Flowing Afterglow |
|
HTH |
Hope This Helps. Email abbreviation when replying to requests. Potentially counter-productive if the recipient doesn't understand what it means... |
|
HTHL |
Horizontal Takeoff Horizontal Landing |
|
HTML |
Hyptertext Markup Language |
|
HTVL |
Horizontal Takeoff Vertical Landing |
|
HUT |
Hopkins Ultraviolet Telescope |
|
HV |
High Voltage |
|
HVPS |
High Voltage Power Supply |
|
HVR |
Hyper-Variable Region |
|
HZ |
Habitable Zone |
|
Hz |
cycles per second (hertz) |
|
I/O |
Input/Output |
|
IAAC |
Internet Amateur Astronomers Catalog |
|
IAO |
International Astronomy Olympiad |
|
IAPM |
International Association of Medical Prosthesis Manufacturers |
|
IAPPP |
International Amateur/Professional Photoelectric Photometry |
|
IARA |
Italian Amateur Radio Astronomy |
|
IAS |
Indiana Astronomical Society |
|
IAU |
International Astrophysical Union |
|
IAU |
International Astronomical Union |
|
IAUC |
IAU Circular |
|
Ib |
Interstellar Band |
|
IBBTF |
Imagination Baffled By The Facts |
|
ICCD |
Intensified Charge-Coupled Device |
|
ICD |
Interface Control Document |
|
ICD-9-CM |
International Classification of Diseases, 9th Edition |
|
ICE |
International Cometary Explorer |
|
ICET |
International Center for Earth Tides |
|
ICF |
Intrinsic Correlation Function |
|
ICH |
International Conference of Harmonization |
|
ICRC |
International Cosmic Ray Conference |
|
ICSO |
International Conference on Space Optics |
|
ICV |
Illumination Chromacity Variation |
|
Id |
IDentifier |
|
IDA |
International Dark-Sky Association, Inc. |
|
IDE |
Investigational Device Exemption |
|
IDL |
Interactive Data Language |
|
IDM |
Intelligent Database Machine |
|
IDMP |
International Daylight Measurement Program |
|
IDT |
Investigation Definition Team |
|
IDT |
Instrument Development Team |
|
IDT |
Image Dissector Tube |
|
IDTF |
Independent Diagnostic Testing Facility |
|
IEC |
International Electrotechnical Commission |
|
IEEE |
Institute of Electrical and Electronic Engineers, Inc. |
|
IES |
Institute of Environmental Sciences |
|
IETI |
Invitation to ExtraTerrestrial Intelligence |
|
IFA |
Institute for Astronomy |
|
IFCC |
International Federation of Clinical Chemists |
|
IFO |
Identified Flying Object (see Also UFO) |
|
IFOV |
Instantaneous Field Of View |
|
IFT |
Inverse Fourier Transform |
|
IG |
Inter-Galactic |
|
IgI |
Interactive Graphics Interpreter |
|
IGM |
Intergalactic Medium |
|
IGY |
International Geophysical Year (1 July 1957 - 31 December 1958) |
|
IIPS |
Interactive Image Processing System |
|
IIRC |
If I Recall Correctly |
|
ILOC |
International Lunar Occultation Center |
|
ILRT |
intermediate-luminosity red transients |
|
IMAGE |
Imager for Magnetopause to Auroral Global Exploration |
|
IMBH |
Intermediate-Mass Black Hole |
|
IMDA |
Independent Medical Distributors Association |
|
IMHO |
In My Humble Opinion |
|
Imio |
Image Input/Output |
|
IMO |
International Meteor Organization |
|
IMOA |
International Museum of Astronomy |
|
IMSL |
International Mathematical and Statistical Library |
|
INDA |
Investigational New Drug Application |
|
INFOL |
Ingredient Necessary FOr Life |
|
ING |
imagining new gastronomy |
|
INS |
Inertial Navigation System |
|
INSY |
International Near Space Year |
|
INTEGRAL |
International Gamma-Ray Astrophysics Laboratory |
|
IO |
Interacting Object |
|
IOA |
Institute Of Astronomy (Cambridge) |
|
IOLM |
International Organization of Legal Metrology |
|
IOTA |
International Occultation Timing Association |
|
IOTA |
Infrared-Optical Telescope Array |
|
IP |
Internet Protocol |
|
IPA |
Institute for Polyacryclate Sciences |
|
IPA |
Individual Practice Association |
|
IPAC |
Infrared Processing and Analysis Center |
|
IPC |
Inter Planetary Commission |
|
Ipc |
Interprocess Communication |
|
IPE |
Initial Pointing Error |
|
IPEM |
Institute of Physics and Engineering in Medicine |
|
IPMO |
Isolated Planetary-Mass Objects |
|
IPN |
InterPanetary Internet |
|
IPNPR |
Interplanetary Network Progress Report |
|
IPNS |
Intense Pulsed Neutron Source |
|
IPPPSSOOT |
file naming convention for HST data sets |
|
IPPW |
International Planetary Probe Workshop |
|
IPS |
Inches Per Second |
|
IPS |
Inertial Pointing System |
|
IQL |
Interactive Query Language |
|
IQSY |
International Quiet Sun Year |
|
IR |
Infrared |
|
IRA |
Infrared Astronomy |
|
IRAC |
International Radio Advisory Committee |
|
IRAC |
Infrared Array Camera |
|
IRAF |
Image Reduction and Analisys Facility |
|
IRAF |
Image Reduction Analysis Facility |
|
IRAIT |
International Robotic Antarctic Infrared Telescope |
|
IrAJ |
Irish Astronomical Journal |
|
IrAJS |
Irish Astronomical Journal Supplement |
|
IRAM |
Institut de Radio Astronomie Millimetrique |
|
IRAS |
Infrared Astronomy Satellite |
|
IRB |
Institutional Review Board |
|
IRBS |
Infrared Background Sensor |
|
IRCS |
Infrared Camera and Spectrograph |
|
IRD |
Interface Requirements Document |
|
IRDC |
Infrared Dark Cloud |
|
IRFNA |
Inhibited Red Fuming Nitric Acid |
|
IRIS |
InfraRed Imaging Surveyor |
|
IRS |
International Reference Star |
|
IRSA |
Infrared Science Archive |
|
IRTF |
Infrared Telescope Facility |
|
ISAS |
Institute of Space and Astronautical Sciences (Japan) |
|
ISBRv |
International Space Business Review |
|
ISEE |
International Sun Earth Explorer |
|
ISEE |
International Sun-Earth Explorer |
|
ISF |
Industrial Space Facility |
|
ISGRI |
INTEGRAL Soft Gamma-Ray Imager |
|
ISM |
Interstellar Medium |
|
ISN |
International Supernovae Network |
|
Iso |
Imaging Spectrometic Observatory |
|
ISO |
International Organization for Standardization |
|
ISO |
Infrared Space Observatory |
|
ISO 14155 |
Current Widely Accepted Standard |
|
ISPM |
International Solar Polar Mission |
|
ISPP |
In-Situ Propellant Production |
|
ISR |
Instrument Science Report |
|
ISRO |
Indian Space Research Organisation |
|
ISS |
International Space Station |
|
ISSA |
Infrared Sky Survey Atlas |
|
IsSRT |
Israel Space Research and Technology Information Bulletin |
|
ISTAHC |
International Society of Technology Assessment in Health Care |
|
ISTeC |
International Small Telescope Cooperative |
|
ISTS |
Institute for Space and Terrestrial Science |
|
ISU |
International Space University |
|
ISV |
Inter-Stellar Void |
|
ISY |
International Space Year (1992) |
|
ITA |
Institute of Theoretical Astronomy |
|
ITF |
Intensity Transfer Function |
|
ITT |
International Telephone and Telegraph Corporation |
|
ITU |
Infrared Telescope Unit |
|
IU |
Interface Unit |
|
IUE |
International Ultraviolet Explorer |
|
IUEDAC |
IUE satellite Data Analysis Center |
|
IUEEN |
IUE ESA Newsletter |
|
IUENN |
IUE NASA Newsletter |
|
Iuesips |
Iue Spectral Image Processing System |
|
IUS |
Inertial UPper Stage (was Interim UPper Stage) |
|
IV |
intra vehicular |
|
IVC |
Institute Visiting Committee |
|
IWCA |
International Workshop on Cometary Astronomy |
|
IWG |
Interface Working Group |
|
IYA |
International Year of Astronomy |
|
Jaame |
Japanese Association for the Advancement of Medical Equipment |
|
JAAVSO |
Journal of the American Association of Variable Star Observers |
|
JAC |
Joint Astronomy Centre |
|
JAC |
Japan Astronomical Circular |
|
JAD |
Journal of Astronomical Data |
|
JAHH |
Journal of Astronomical History and Heritage |
|
JALPO |
Journal of the Association of Lunar & Planetary Observers |
|
JAMA |
Journal of the American Medical Association |
|
JAnSc |
Journal of Astronautical Sciences |
|
JApA |
Journal of Astrophysics and Astronomy |
|
JApAS |
Journal of Astrophysics and Astronomy Supplement |
|
JAPOA |
Japan Amateur Photoelectric Observers Association |
|
JASAC |
Japan Astronomical Study Association Circulars |
|
JASEg |
Journal of the Astronomical Society of Egypt |
|
JASS |
Journal of Astronomy and Space Sciences |
|
JASV |
Journal of the Astronomical Society of Victoria Melbourne |
|
JAXA |
Japan Aerospace Exploration System |
|
JAXA |
Japan Aerospace Exploration Agency |
|
JBAA |
Journal of the British Astronomical Association |
|
JBAn |
Jodrell Bank Annals |
|
JBAS |
Journal of the British Astronomical Society |
|
JBIS |
Journal of the British Interplanetary Society |
|
JBRe |
Jodrell Bank Reprints |
|
JC |
Jupiter Crosser |
|
JCAHO |
Joint Committee on the Accreditation of Healthcare Organizations |
|
JCAP |
Journal of Cosmology and Astro-Particle Physics |
|
JCCT |
Joint Commission on Commerce and Trade (US-China) |
|
JCMT |
James Clerk Maxwell Telescope |
|
JCT |
Jordan Cosmological Theory |
|
JD |
Julian Date |
|
JDSO |
Journal of Double Star Observations |
|
JEM |
Japanese Experiment Module |
|
JET-X |
Joint European Telescope for X-ray astronomy |
|
JETRO |
Japan External Trade Organization |
|
JFC |
Jupiter Family Comets |
|
JFMDA |
Japan Federation of Medical Device Associations |
|
JGR |
Journal of Geophysical Research |
|
JHA |
Journal for the History of Astronomy |
|
JHAS |
Journal for the History of Astronomy Supplement |
|
JHIT |
Joint Healthcare Information Technology Alliance |
|
JHU |
The Johns Hopkins University (Baltimore, MD) |
|
JILA |
Joint Institute for Laboratory Astrophysics |
|
JIMO |
Journal of the International Meteor Organization |
|
JKAS |
Journal of Korean Astronomical Society |
|
JKT |
Jacobus Kapteyn Telescope |
|
JOP |
Joint Observing Program |
|
JOP |
Jupiter Orbiter Probe |
|
JPL |
Jet Propulsion Laboratory (California Institute of Technology) (NASA) |
|
JRASC |
Journal of the Royal Astronomical Society of Canada |
|
JRASN |
Journal of the Royal Astronomical Society of New Zealand |
|
JSAR |
Journal of Space Astronomy Research |
|
JSC |
Johnson Space Center (Houston, TX) |
|
JSGA |
Japan Spaceguard Association |
|
JVO |
Japanese Virtual Observatory |
|
JWST |
James Webb Space Telescope |
|
K |
Kilo- |
|
k |
Kilogram |
|
K |
Kelvin (absolute temperature scale) |
|
KAIT |
Katzman Automatic Imaging Telescope |
|
KAO |
Kuiper Airborne Observatory |
|
KB |
Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second |
|
KBO |
Kuiper Belt Object |
|
KCAO |
Kumamoto Civil Astronomical Observatory |
|
kg |
Kilogram |
|
KHz |
kilohertz (1000 cycles per second) |
|
KIC |
Kepler Input Catalog |
|
km |
Kilometres |
|
Km |
Kilometer (1,000 meters) |
|
KodOB |
Kodaikanal Observatory Bulletins |
|
KodRe |
Kodaikanal Observatory Reprints |
|
KP |
Kitt Peak |
|
KPNO |
Kitt Peak National Observatory (Tucson, AZ) |
|
KSC |
John F. Kennedy Space Center |
|
KTB |
Cretaceous-Tertiary Boundary |
|
l |
Lagrange |
|
l |
Luyten |
|
LAC |
Lockheed Aircraft Corporation |
|
LAD-C |
Large Area Debris Collector |
|
LADC |
Longitudinal Atmospheric Dispersion Compensator |
|
LAIRT |
Large-Aperture Infrared Telescope |
|
LAL |
LALande |
|
LAMMR |
large-antenna multichannel microwave radiometer |
|
LAMO |
low altitude mapping orbit |
|
LAMOST |
Large sky Area Multi-Object fiber Spectroscopic Telescope |
|
LAMP |
Lyman-Alpha Mapping Project |
|
LAN |
Local Area Network |
|
LAN |
Local Apparent Noon |
|
LANL |
Los Alamos National Laboratory |
|
LAPSS |
Large-Area Pulse Solar Simulator |
|
LaRC |
Langley Research Center (NASA) |
|
LAS |
Laboratoire Astronomie Spatiale |
|
LASCO |
Large Angle Spectrometric Coronograph |
|
LASER |
Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |
|
LASS |
large-amplitude space simulator |
|
LAT |
Large Area Telescope |
|
LawOB |
Laws Observatory Bulletin |
|
LB |
Long Base |
|
LBLRR |
LBL Research Review |
|
LBN |
Lynds Bright Nebula |
|
LBNL |
Lawrence Berkeley National Laboratory (US) |
|
LBT |
Large Binocular Telescope |
|
LBV |
Luminous Blue Variable |
|
LBVS |
Luminous blue variable |
|
LC |
Las Campanas observatory |
|
LCC |
Launch Control Center (KSC) |
|
LCDM |
Lambda Cold Dark Matter |
|
LCG |
light curve generator |
|
LCROSS |
Lunar CRater Observation and Sensing Satellite |
|
LCRS |
Las Campanas Redshift Survey |
|
LDE |
Long Duration Event |
|
LDE |
Long Decay Event |
|
LDEF |
Long Duration Exposure Facility (for Spacecraft Material Testing) |
|
LDEO |
Lamont-Doherty Earth Observatory |
|
LDN |
Lynds Dark Nebulae |
|
LDS |
Luyten Double Star |
|
LED |
law enforcement desk; light emitting diode |
|
LEGRI |
Low Energy Gamma-Ray Imager |
|
LEM |
Lunar Excursion Module |
|
LENA |
Low Energy Neutrino Astronomy |
|
LEND |
Lunar Exploration Neutron Detector |
|
LEO |
Low Earth Orbit (satellite communications) |
|
LERC |
Lewis Research Center |
|
LEST |
Large Earth-based Solar Telescope |
|
LETGS |
Low Energy Transmission Gratings Spectrometer |
|
LF |
Luminosity Function |
|
LFAE |
Light Field Attribute Explorer |
|
LFSA |
List of Frequently Seen Acronyms |
|
LFT |
Luyten Five-Tenths |
|
LGA |
Low Gain Antenna |
|
LGM |
Little Green Men |
|
LGRB(s) |
long gamma ray burst(s) |
|
LGS |
Local Group Survey |
|
LH |
Liquid Hydrogen |
|
LHA |
Local Hour Angle |
|
LHEA |
Laboratory for High Energy Astrophysics |
|
LHS |
Luyten Half-Second |
|
LIC |
local interstellar cloud |
|
LicOB |
Lick Observatory Bulletin |
|
LIGO |
Laser Interferometer Gravitational-Wave Observatory |
|
LINEAR |
Lincoln Near Earth Asteroid Research |
|
LINER |
Low Ionization Nuclear Emission Region |
|
LIRG |
Luminous Infrared Galaxy |
|
LITVC |
Liquid Injection Thrust Vector Control |
|
LLAGN |
Low-Luminosity Active Galactic Nucleus |
|
LLC |
Limited Liability Partnership |
|
LLNL |
Lawrence-Livermore National Laboratory |
|
LLO |
Low Lunar Orbit |
|
LM |
Low Mass |
|
LM |
Lunar Module |
|
LM&SS |
Lunar Mapping and Scientific Survey |
|
LMC |
Large Magellanic Cloud |
|
LMS |
Lower Main Sequence |
|
LMSC |
Lockheed Missile and Space Corporation |
|
LMSS |
Lunar Mapping and Survey System |
|
LMST |
Local Mean Sidereal Time |
|
LMT |
Large Millimeter Telescope |
|
LMXB |
Low-Mass X-Ray Binary |
|
LN2 |
liquid N2 |
|
LNSP |
Lecture Notes and Supplements in Physics |
|
LOD |
Length of Day |
|
LOE |
Level Of Effort |
|
LOFAR |
Low Frequency Array |
|
LOFAR |
Low-Frequency Array |
|
LOI |
Lunar Orbit Insertion |
|
LONEOS |
Lowell Observatory Near-Earth-Object Search |
|
LOR |
Lunar Orbit Rendezvous |
|
LOS |
Line Of Sight |
|
LOSS |
Lick Observatory Supernova Search |
|
LOTIS |
Livermore Optical Transient Imaging System |
|
LOTOSS |
Lick Observatory and Tenagra Observatory Supernova Searches |
|
LowOB |
Lowell Observatory Bulletin |
|
LOX |
Liquid Oxygen |
|
LP |
Lonely Planet |
|
LP |
Luyten Palomar |
|
LPC |
Long Period Comets |
|
LPCI |
Lunar Phases Concept Inventory |
|
LPI |
Lunar and Planetary Institute |
|
LPICo |
Lunar and Planetary Institute Contributions |
|
LPL |
Lunar and Planetary Laboratory |
|
LPO |
La Palma Observatory |
|
LPS |
Launch Processing System |
|
LPV |
Long Period Variable |
|
LR |
Long Radius |
|
LRB |
Liquid Rocket Booster |
|
LRG |
Luminous Red Galaxy |
|
LRO |
Large Radio Observatory |
|
LRO |
Lunar Reconnaissance Orbiter |
|
LRSP |
Living Reviews in Solar Physics |
|
LS |
List Star |
|
LS/ST |
Light Shield/Star Tracker |
|
LSA |
Large Science Aperture |
|
LSB |
Low Surface Brightness |
|
LSF |
Line Spread Function |
|
LSG |
Liaison Scientists Group |
|
LSO |
Large Solar Observatory |
|
LSR |
Local Standard of Rest |
|
LSST |
Large Synoptic Survey Telescope |
|
LST |
Large Stellar Telescope |
|
LST |
Large Space Telescope |
|
LST |
Local Sidereal Time |
|
LSVT |
Large Solar Vacuum Telescope |
|
LTE |
Local Thermodynamic Equilibrium |
|
LTM |
Like The Moon |
|
LTP |
Lunar Transient Phenomenon |
|
LTSA |
Long-Term Space Astrophysics |
|
LTT |
Luyten Two-Tenths |
|
LUNNO |
Lunar Upper Navigation Nacelle Orb |
|
LUT |
Lookup Table |
|
LV |
Lunette Verte |
|
LVPS |
Low Voltage Power Supply |
|
LWP |
Long Wavelength Primary |
|
LWR |
Long Wavelength Redundant |
|
LWS |
Long-Wave Spectrograph |
|
LWS |
Long Wavelength Spectrometer |
|
m |
Mira |
|
M |
Messier |
|
m |
Meter |
|
M&P |
Materials and Processes |
|
m&p |
Moon and Planets |
|
M&PS |
Meteoritics and Planetary Science |
|
M&R |
Maintenance and Refurbishment |
|
ma |
Medical Alley |
|
MACHO |
Massive Astronomical Compact Halo Object |
|
MACHO |
Massive Compact Halo Object |
|
MACO |
Mars Atmospheric Constellation Observatory |
|
MACRO |
Monopole, Astrophysics and Cosmic Ray Observatory |
|
MACRO |
Monopoles, Astrophysics, and Cosmic Ray Observatory |
|
MadOb |
Madras Observatory Observations |
|
MadOO |
Madras Observatory Astronomical Observations |
|
MAFI |
Medical Alert Foundation International |
|
MAG |
Magnitude |
|
MAGIC |
Major Atmospheric Gamma-ray Imaging Cherenkov Telescope |
|
MARS |
MOUNTAIN ASTRONOMICAL RESEARCH SECTION |
|
mas |
milliarcsecond |
|
MASER |
microwave amplification by stimulated emission of radiation |
|
MassMEDIC |
Massachusetts Medical Device Industry Council |
|
MAST |
Multimission Archive at Space Telescope |
|
MB |
Megabyte |
|
MBA |
Main-Belt Asteroid |
|
MBBNet |
Minnesota Biomedical Business Network |
|
MBH |
Massive Black Hole |
|
MCC |
Mission Control Center (JSC) |
|
MCD |
Minimum Cost Design |
|
mCG |
Morphological Catalog of Galaxies |
|
MCO |
Mars Climate Orbiter |
|
MCSA |
Mir Cooperative Solar Array |
|
MD |
Matter Dominated |
|
MDA |
Medical Device Amendments |
|
MDB |
multiplexed data bus |
|
MDC |
Major Diagnostics Category |
|
MDD |
Medical Device Directive |
|
MDDI |
Medical Device and Diagnostics Industry |
|
MDI |
Michelson Doppler Imager |
|
MDMA |
Medical Device Manufacturers Association |
|
MDR |
Medical Device Register |
|
MDR |
Medical Device Reports |
|
MDRS |
Mars Desert Research Station |
|
MDS |
Medium Deep Survey |
|
MECO |
Magnetospheric Eternally Collapsing Object |
|
MECO |
Main Engine Cutoff |
|
MEDEC |
Medical Devices Canada |
|
MedGV |
Germany's Medical Equipment Safety Law |
|
MEDMARC |
Medical Device Material Assurance and Reinsurance Company, Ltd. |
|
MeDSuN |
Medical Device Surveillance Network |
|
MeeRe |
Kenneth Mees Observatory Reprints |
|
MEI |
Medical Economic Index |
|
MelAR |
Melbourne Observatory Annual Report |
|
MelOO |
Melbourne Observatory Observations |
|
MEM |
Meteoroid Exposure Module |
|
MEM |
Maximum Entropy Method |
|
MEPAG |
Mars Exploration Program Analysis Group |
|
MEPCO |
Meeting of European Planetary and Cometary Observers |
|
MER |
Mars Exploration Rover |
|
MERIS |
Medium Resolution Imaging Spectrometer |
|
Mev |
million electron volts |
|
MEV |
Mars Excursion Vehicle |
|
MFP |
magnetic field perturbation theory |
|
MFPE |
Mission from Planet Earth |
|
MFR |
Manipulator Foot Restraint |
|
MG |
Meteor Garden |
|
MGC |
Millennium Galaxy Catalogue |
|
MGMA |
Medical Group Management Association |
|
MGS |
Mars Global Surveyor |
|
MHD |
Magnetohydrodynamic |
|
MHGL |
Mexican Hat Gravitational Lens |
|
MHW |
Ministry of Health and Welfare |
|
MHZ |
Megahertz (Megacycles Per Second) |
|
MI |
Maximum Influence |
|
MIAA |
Medical Industry Association of Australia |
|
MICO |
Multi-year Interactive Computer Almanac |
|
MicRe |
University of Michigan Observatory Reprints |
|
MIDAS |
Munich Image Data Analysis System |
|
MIL-STD |
Military Standard |
|
Minisat |
Miniature Satellite |
|
MIP |
Moon Impact Probe |
|
MIPS |
Multi-band Imaging Photometer |
|
MIS |
Management Information System (OSHA) |
|
MIT |
Massachusetts Institute of Technology (U.S.) |
|
MITI |
Ministry of International Trade & Industry (Japan) |
|
MITTS |
Mobile Igor Tracking Telescope System |
|
MJ |
Mass of Jupiter |
|
MJD |
Modified Julian Date |
|
MKN |
Markarian (celestial object) |
|
MKO |
MAUNA KEA OBSERVATORY |
|
MLI |
Multilayer Insulation |
|
MLPS |
Mid-Latitude Plasma Structuring |
|
MLRS |
McDonald Laser Ranging Station |
|
MLSO |
Mauna Loa Solar Observatory |
|
MLY |
Mega Light Year |
|
mm |
Millimeter |
|
MM |
Memory Module |
|
MM |
Missing Mass |
|
MMA |
Milli Modulation Amplitude |
|
MMA |
Minnesota Medical Association |
|
MMAAR |
Maria Mitchell Association Annual Report |
|
MmASI |
Memoirs of the Astronomical Society of India |
|
MmBAA |
Memoirs of the British Astronomical Association |
|
MMDA |
Michigan Medical Device Association |
|
MMF |
Moving Magnetic Feature |
|
MMH |
Monomethyl Hydrazine |
|
MMI |
Man-Machine Interface |
|
MMIC |
Medical Manufacturers' Information Council |
|
MmKMO |
Memoirs Of The Kakioka Magnetic Observatory |
|
MMO |
Mercury Magnetospheric Orbiter |
|
MMR |
Mean-Motion Resonance |
|
MmRAS |
Memoirs of the Royal Astronomical Society |
|
MMS |
Module Management System |
|
MMT |
Multiple Mirror Telescope |
|
MMTF |
Maryland-Magellan Tunable Filter |
|
MMTO |
Multiple Mirror Telescope Observatory |
|
MMU |
Manned Maneuvering Unit |
|
MNBIO |
Minnesota Biotechnology |
|
MNRAS |
Monthly Notices of the Royal Astronomical Society |
|
MNSSA |
Monthly Notes of the Astronomical Society of South Africa |
|
MO |
Mars Observer |
|
MOA |
Memorandum Of Agreement |
|
MOA |
Microlensing Observations in Astrophysics |
|
MOC |
Mars Observer Camera |
|
MODIS |
Moderate Resolution Imaging Spectroradiometer |
|
Moe |
Moon Of Earth |
|
MOID |
Minimum Orbit Intersection Distance |
|
MOL |
Manned Orbiting Laboratory |
|
MOLA |
Mars Observer Laser Altimeter |
|
MOM |
Mars Orbiter Mission |
|
MOMV |
Manned Orbital Maneuvering Vehicle |
|
MOND |
Modified Newtonian Dynamics |
|
MONGO |
Interactive graphics software package |
|
MONS |
Measuring Oscillations in Nearby Stars |
|
MOPH |
Ministry of Public Health |
|
MOR |
Mission Operations Room |
|
MOS |
Metal Oxide Semiconductor (FET Devices) |
|
MOSES |
Mission Operations and Systems Engineering Support |
|
MOSPO |
Mobile Satellite Photometric Observatory |
|
MOSS |
Moving Object Support System |
|
MOSS |
Market-Oriented Sector Selective |
|
MOST |
Microvariability Oscillations of STars |
|
MOST |
Microvariability and Oscillations of STars Telescope |
|
MOST |
Molonglo Observatory Synthesis Telescope |
|
MOTIE |
Ministry of Trade, Industry, and Energy (Korea) |
|
MOTIF |
Maui Optical Tracking and Identification Facility |
|
MOTV |
Manned Orbital Transfer Vehicle |
|
MOU |
Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections) |
|
MOWG |
Mission Operations Working Group |
|
MOXE |
MOnitoring X-Ray Experiment |
|
MP |
Massive Protostar |
|
MPAS |
Mornington Peninsula Astronomical Society |
|
MPBu |
Minor Planet Bulletin |
|
MPC |
Minor Planets Circular |
|
MPC |
Minor Planet Circulars |
|
MPCS |
Minor Planet circulars Supplement |
|
MPEC |
Minor Planets Electronic Circular |
|
MPEC |
Minor Planet Electronic Circular |
|
MPF |
Mars PathFinder |
|
MPH |
Miles Per Hour |
|
MPI |
Minnesota Project Innovation |
|
MPIA |
Max Planck Institute for Astronomy |
|
MPL |
Mars Polar Lander |
|
MPO |
Mercury Planetary Orbiter |
|
MPP |
multi-pinned phase |
|
MPP |
Multi-Pinned-Phase |
|
MPPG |
Mars Program Planning Group |
|
MPS |
Microlensing Planet Search |
|
MPS |
Mission Planning System |
|
MR |
Measurement of Red |
|
Mr |
Moonlight Rising |
|
MRB |
Material Review Board |
|
MRI |
Magnetic Resonance Imaging |
|
MRK |
Markarian (celestial object) |
|
MRO |
Mars Reconnaissance Orbiter |
|
MRSR |
Mars Rover and Sample Return |
|
MRSR |
Mars Rover Sample Return |
|
MRSRM |
Mars Rover and Sample Return Mission |
|
MS |
Morning Star |
|
ms |
Millisecond |
|
MS |
Mission Schedule |
|
MS |
Millions of Stars |
|
MS |
Main Sequence |
|
MS |
Master Schedule |
|
MS |
Meteor Scattering |
|
MSC |
Mission Support Calibration |
|
MSE |
Milton S. Eisenhower library |
|
MSFC |
Marshall Space Flight Center (Huntsville AL) |
|
MSFN |
Manned Space Flight Network |
|
MSO |
Mount Stromlo Observatory |
|
MSOCC |
Multisatellite Operations Control Center |
|
MSP |
Millisecond Pulsar |
|
MSSS |
Maui Space Surveillance Site |
|
MSSSO |
Mount Stromlo and Siding Spring Observatories |
|
MST |
Mean Solar Time |
|
MSTO |
Main Sequence Turn-Off |
|
MSX |
Midcourse Space Experiment |
|
MT |
Moving Target |
|
MTBF |
Mean Time Before Failure |
|
MTC |
Man-Tended Capability |
|
MTF |
Modulation transfer function. |
|
MTI |
Minnesota Technology Inc |
|
MTL |
Mission Time Line |
|
MTPE |
Mission To Planet Earth |
|
MTPPI |
Medical Technology and Practice Patterns Institute |
|
MTR |
Mean Time to Restore |
|
MtSOM |
Mount Stromlo Observatory Mimeographs |
|
MtSRe |
Mount Stromlo Observatory Reprints |
|
MtWAR |
Mount Wilson and Palomar Observatory Annual Report |
|
MtWRe |
Mount Wilson and Palomar Observatory Reprints |
|
MU |
Memory Unit |
|
MUF |
Mysterious Unknown Force |
|
MUNICS |
MUnich Near-Infrared Cluster Survey |
|
MUSES |
MU Space Engineering Spacecraft |
|
MUSTANG |
Multiplexed SQUID TES Array at Ninety GHz |
|
Mv |
absolute visual magnitude |
|
Mv |
Apparent Visual Magnitude |
|
MVAC |
Mission Valley Astronomy Club |
|
MVCA |
Minnesota Venture Capital Association |
|
MVEMJSUNP |
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto |
|
MVI |
Microgravity Vestibular Investigation |
|
MVM |
Mariner Venus/Mercury |
|
MW |
Milky Way |
|
MWD |
Magnetic White Dwarf |
|
MWO |
Mount Wilson Observatory |
|
MWOAR |
Mount Wilson Observatory Annual Report |
|
MXRB |
Massive X-Ray Binary |
|
MYSO |
Massive Young Stellar Object |
|
N |
Nitrogen |
|
N |
Newton |
|
N |
Nova |
|
N/A |
Not Applicable |
|
NA |
Non-Anomalous |
|
NA |
Negative Alignment |
|
NAAP |
Nebraska Astronomy Applet Project |
|
NABR |
National Association for Biomedical Research |
|
NACA |
National Advisory Committee on Aeronautics |
|
NAFTA |
North American Free Trade Agreement |
|
NAG |
Numerical Algorithms Group Inc. |
|
NAHC |
National Association of Home Care |
|
NAHIT |
National Alliance for Health Information Technology |
|
NAI |
No Action Indicated (Most Favorable Food & Drug Administration Post-inspection Classification) |
|
NAIC |
National Astronomy And Ionosphere Center |
|
NAIF |
Navigation Ancillary Information Facility |
|
NAM |
National Association of Manufacturers |
|
NAMES |
National Association of Medical Equipment Services |
|
NAMN |
North American Meteor Network |
|
NAO |
National Astronomy Olympiad |
|
NAOJ |
National Astronomical Observatory of Japan |
|
NAS |
Norsk Astronomisk Selskap |
|
NAS |
United States National Academy of Sciences |
|
NASA |
National Aeronautics and Space Administration (US) |
|
NASAC |
NASA Conference Publication |
|
NASAL |
NASA Circular Letter |
|
NASAR |
NASA Reference Publication |
|
NASAS |
NASA Special Publication |
|
NASDA |
National Space Development Agency of Japan |
|
NASM |
National Air and Space Museum |
|
NASO |
North American Space Operations |
|
NASP |
National Aerospace Plane |
|
NASPY |
North American Society of Electro Physiology and Pacing |
|
NBS |
Next Bright Star |
|
NBS |
National Bureau of Standards (US) |
|
NC |
Numerical Cosmology |
|
NCAR |
National Center for Atmospheric Research (US) |
|
NCC |
Network Control Center (GSFC) |
|
NCCLS |
National Committee for Clinical Laboratory Standards |
|
NCI |
National Cancer Institute, USA |
|
NCOS |
National Commission on Space |
|
NCP |
North Celestial Pole |
|
NCSA |
National Center for Supercomputer Applications (Urbana IL) |
|
NCSC |
National Council of Senior Citizens |
|
ND |
Neutral Density |
|
ND |
NASA Document |
|
NDA |
New Drug Application |
|
NDC |
Network Data Center |
|
NDV |
NASP Derived Vehicle |
|
NEA |
Near-Earth Asteroid |
|
NEA |
Noise Equivalent Angle |
|
NEAF |
North East Astronomy Forum |
|
NEAF |
North East Astronomy Form |
|
NEAP |
Near Earth Asteroid Prospector |
|
NEAR |
Near-Earth Asteroid Rendezvous |
|
NEAs |
Near Earth Asteroids |
|
NEAT |
Near Earth Asteroid Tracking |
|
NEC |
National Electrical Code |
|
NED |
NASA/IPAC Extragalactic Database |
|
NEEDS |
NASA end-to-end data system |
|
NEMA |
National Electric Manufacturer's Association |
|
NEMP |
Nitrogen-Enhanced Metal-Poor |
|
NEO |
Near Earth Object |
|
NEO |
Near-Earth Object - Non-combatant Evacuation Operations |
|
NEODYS |
Near Earth Objects Dynamic Site |
|
NEOIC |
Near Earth Object Information Center |
|
NEP |
North Ecliptic Pole |
|
NERVA |
Nuclear Engine for Rocket Vehicle Application |
|
NESS |
Near Earth Space Surveillance |
|
NESSI |
Near Earth Space Surveillance Initiative |
|
NewAR |
New Astronomy Review |
|
NFAR |
Near Field Apertureless Raman |
|
NFF |
New Firm Formation |
|
NFS |
Network File System |
|
Ng |
Newsgroup |
|
NGC |
New General Catalog |
|
NGP |
North Galactic Pole |
|
NGS |
New Generation STAR |
|
NGS |
National Geographic Society |
|
NGST |
Next Generation Space Telescope |
|
NGT |
Next Generation Telescope |
|
NHIB |
National Health Insurance Bureau (Taiwan) |
|
NHICAT |
Northern HIPASS CATalog |
|
NHLBI |
National Heart, Lung, and Blood Institute |
|
NI |
Non-Impact |
|
NICMOS |
Near-Infrared Camera and Multi-Object Spectrometer |
|
NIGMS |
National Institute Of General Medical Sciences (NIH) |
|
NIH |
NATIONAL INSTITUTE OF HEALTH |
|
NIMS |
Near-Infrared Mapping Spectrometer |
|
NIOSH |
National Institute for Occupational Safety and Health |
|
NIP |
Normal Incidence Point |
|
NIR |
Near Infrared Research |
|
NIR |
Near Infrared Reflection |
|
NIR |
Near Infrared |
|
NIST |
National Institute of Standards & Technology (US) |
|
NIST |
National Institute of Standards and Technology |
|
NIU |
NASCOM Interface Unit |
|
NizRe |
Nizamiah Observatory Reprints |
|
NLDP |
National Launch Development Program |
|
NLN |
National League for Nursing |
|
NLST |
National Large Solar Telescope |
|
NLTE |
Non-local Thermodynamic Equilibrium |
|
NLTT |
New Luyten Two-Tenths |
|
NM |
Non-Moment |
|
nm |
Nanometer |
|
NMDC |
National Medical Device Coalition |
|
NMi |
Nautical Mile |
|
NMW |
Northern Milky Way |
|
NOAA |
National Oceanic and Atmospheric Administration (US) |
|
NOAO |
National Optical Astronomy Observatories (Tucson, AZ) |
|
NOCC |
Network Operations Control Center (GSFC) |
|
NODO |
NASA Orbital Debris Observatory |
|
NOMAD |
Naval Observatory Merged Astrometric Dataset |
|
NORAD |
North American Air Defense (Command) |
|
NOT |
NOrdic Telescope |
|
NPC |
Nice Planetary Contrast |
|
NPS |
North Polar Sequence |
|
NR |
Non-Relativistic |
|
NRAO |
National Radio Astronomy Observatory (Greenbank, WV) |
|
NRAOR |
National Radio Astronomy Observatory Reprints |
|
NRC |
National Response Center |
|
NRF |
National Research Foundation |
|
NRL |
Naval Research Laboratory |
|
NRO |
U.S. National Reconnaissance Office |
|
NRT |
near real time |
|
NS |
Neutron Star |
|
NS |
Nearby Star |
|
NSA |
Neutron Star Atmosphere |
|
NSA |
National Society of Astronomy |
|
NSA |
National Security Agency |
|
NSAS |
Northern Skies Astronomical Society |
|
NSBD |
Normal Stars and Brown Dwarfs |
|
NSC |
Navigational Star Catalog |
|
NSC |
Nuclear Star Clusters |
|
NSF |
National Sanitation Foundation |
|
NSI |
NASA Science Internet |
|
NSL |
Northrop Space Laboratory |
|
NSO |
National Solar Observatory |
|
NSP |
NASA Support Plan |
|
NSSCC |
NORAD Space Surveillance Computation Center |
|
NSSDC |
National Space Science Data Center (Greenbelt, MD) |
|
NSTL |
National Space Technology Laboratories (NASA) |
|
NSUM |
Non-Spatial Universal Mechanics |
|
NSV |
New Suspected Variable |
|
NT |
Non-Thermal |
|
NTR |
Nuclear Thermal Rocket |
|
NTT |
New Technology Telescope |
|
Nustar |
Nuclear Spectroscopic Telescope Array |
|
NVR |
nonvolatile residue |
|
O |
Occult |
|
O |
Oblivion |
|
O&M |
Operation and Maintenance |
|
OAD |
Office for Astronomy Development |
|
OAF |
Optical Alignment Facility |
|
OAI |
Official Action Indicated (serious Food & Drug Administration post-inspection classification) |
|
OAO |
Orbital Astronomical Observatory |
|
OAO |
Okayama Astrophysical Observatory |
|
OAO |
Orbiting Astronomical Observatory |
|
OAOT |
Orbiting Astronomical Observatory Technology |
|
OAP |
Odessa Astronomical Publications |
|
OARE |
Orbital Acceleration Research Experiment |
|
OASH |
Office of the Assistant Secretary for Health |
|
OASI |
Orwell Astronomical Society (Ipswich) |
|
OBAFGKM |
Oh, Be A Fine Girl, Kiss Me |
|
OBC |
Onboard Computer |
|
OBD |
Orbiting Brown Dwarf |
|
OBP |
Onboard Processor |
|
OBS |
Orbiting Brown-dwarf Star |
|
OC |
Open Cluster |
|
OCB |
Operational Configuration Baseline |
|
OCC |
Operations control center |
|
OCO |
Oort Cloud Object |
|
OCS |
Optical Control System |
|
OCST |
Office of Commercial Space Transportation |
|
OCX |
observation comments file |
|
ODAS |
OCA (Observatoire de la Côte d'Azur) - DLR (Deutschen Zentrum für Luft- und Raumfahrt) Asteroid Survey |
|
ODB |
Operations Data Base |
|
ODC |
Other Direct Cost |
|
ODE |
Office of Device Evaluation |
|
ODF |
Orbit Determination Facility |
|
ODI |
One Degree Imager |
|
ODL |
Observation Data Log |
|
ODS |
Our Dark Skies |
|
ODX |
Occular Dynamic eXperiment |
|
OEJV |
Open European Journal on Variable Stars |
|
OFAD |
Optical Field Angle Distortion |
|
OG |
Original Gravity |
|
OGLE |
Optical Gravitational Lensing Experiment |
|
OGSE |
Optical Ground Support Equipment |
|
OHD |
Observational Hubble-parameter Data |
|
OHP |
Observatoire de Haute-Provence |
|
OHTA |
Office of Health Technology Assessment |
|
OIG |
Office of Inspector General |
|
OLT |
Observatory Level Test |
|
OMB |
Office of Management and Budget (U.S.) |
|
OMC |
Orion Molecular Cloud |
|
OMS |
orbital maneuvering system |
|
OMS |
Observatory Monitoring System |
|
ONR |
Office of Naval Research (U.S.) |
|
ONRAS |
Occasional Notes of the Royal Astronomical Society |
|
OOTU |
Origin Of The Universe |
|
OPAG |
Outer Planets Assessment Group |
|
OPB |
Observation Planning Branch |
|
OPD |
Operations and Data Processing Division |
|
OPD |
Outpatient Department |
|
OPF |
Orbiter Processing Facility |
|
OPM |
Outer Planet Mission |
|
OPO |
Operations Project Office |
|
OPR |
Operations Problem Report |
|
OPS |
Operations Division |
|
OPUS |
OSS and PODPS Unified Systems |
|
ORA |
FDA's Office of Regulatory Affairs |
|
ORB |
Observatoire Royal de Belgique (Royal Observatory of Belgium) |
|
ORD |
Operations Requirements Document |
|
ORFEUS |
Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer |
|
ORI |
Orbit Replaceable Instrument |
|
ORIG |
Origin |
|
ORR |
Orbit Readiness Review |
|
ORROE |
Occasional Reports of the Royal Observatory, Edinburgh |
|
OS |
Operating System |
|
OSB |
Operations Software Branch |
|
OSC |
Orbital Sciences Corporation |
|
OSCAR |
Orbital Satellite Carrying Amateur Radio |
|
OSCAR |
Orbiting Satellite Carrying Amateur Radio |
|
OSG |
Observatory Support Group |
|
OSHA |
Occupational Safety and Health Act (1970) |
|
OSO |
Orbiting Solar Observatory |
|
OSS |
Observation Support System |
|
OSS |
Office of Space Sciences |
|
OSS |
Office Of Space Science (NASA) |
|
OSSA |
Office of Space Sciences and Applications |
|
OSSE |
Oriented Scintillation Spectrometer Experiment |
|
OSSO |
Observation Science Support Office |
|
OST |
Observation Sequence Table |
|
OSTA |
Office of Space and Terrestrial Applications (US NASA; now OAST) |
|
OT |
Off-Topic |
|
OTA |
Optical Telescope Assembly |
|
OTHB |
Over The Horizon Backscatter |
|
OTS |
Oasa Tamura Sugitani |
|
OTV |
Orbital Transfer Vehicle |
|
OV |
Orbital Vehicle |
|
OV |
Orbital Verification |
|
OVIWG |
Orbital Verification Implementation Working Group |
|
OVS |
Observation of Variable Stars |
|
OW |
Outer Wall |
|
OWL |
Overwhelmingly Large Telescope |
|
OWL |
Orbiting Wide-angle Light-collectors |
|
OxfOO |
Oxford University Observatory Observations |
|
OZ |
Objective Zenith |
|
P&A |
Physics and Astronomy |
|
P&SS |
Planetary and Space Science |
|
P-E |
Perkin-Elmer Corporation |
|
P/SOS |
Payload/Spacecraft Operations Simulator |
|
PA |
Position Angle |
|
PA |
Popular Astronomy |
|
PAAS |
Publications of the American Astronomical Society |
|
PAB |
Pharmaceutical Affairs Bureau (Japan) |
|
PAB |
Publications of The Astrophysics Branch Ottawa |
|
PABei |
Progress in Astronomy |
|
PACS |
Photoconductor Array Camera and Spectrometer |
|
PACS |
Physics and Astronomy Classification Schemex |
|
PAD |
Pulse Amplitude Discriminator |
|
PADEU |
Publications of the Astronomy Deparment of the Eotvos Lorand University |
|
PAH |
Polycyclic Aromatic Hydrocarbon |
|
PAIB |
Publications of the Astronomy Institute of Bonn |
|
PAICz |
Publications of the Astronomical Institute of the Czechoslovak Academy of Sciences |
|
PAllO |
Publications of the Allegheny Observatory of the University of Pittsburgh |
|
PAM |
Payload Assist Module |
|
PAM-D |
Payload Assist Module, Delta-class |
|
PAMELA |
Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics |
|
Pan-STARRS |
Panoramic Survey Telescope and Rapid Response System |
|
PAR |
Photon Activity Rate |
|
PASA |
Publications of the Astronomical Society of Australia |
|
PASA |
Pan-Arab Space Agency |
|
PASAu |
Proceedings of the Astronomical Society of Australia |
|
PASJ |
Publications of the Astronomical Society of Japan |
|
PASK |
Publications of the Academy of Science Kasakstan |
|
PASP |
Publications of the Astronomical Society of Pacific |
|
PASP |
Proceedings of the Astronomical Society of the Pacific |
|
PASPS |
Publications of the Astronomical Society of the Pacific Supplement |
|
PASS |
POCC Application Software Support |
|
PBeiO |
Publications of the Beijing Astronomical Observatory |
|
PBO |
Pine Bluff Observatory |
|
PBosO |
Publications of the Bosscha Observatory Lembang |
|
PBPK |
Physiologically-Based Pharmacokinetic |
|
PBrn |
Publications of the Astronomical Institute of the University of Borneo |
|
PC |
Planetary Contrast |
|
PC |
Planetary Camera |
|
PCA |
Proportional Counter Array |
|
PCARS |
Publication of COMU Astrophysics Research Center |
|
PCAS |
Planet-Crossing Asteroid Survey |
|
PCinO |
Publications of the Cincinnati Observatory |
|
PCM |
Pulse-Code Modulation |
|
PCooO |
Publications of the Cook Observatory |
|
PCS |
Pointing Control System |
|
PCS |
Physics and Chemistry in Space |
|
PCT |
Program Coordinator Team |
|
PDA |
Parenteral Drug Association |
|
PDA |
Photon Detector Assembly |
|
PDAA |
Publications of the Department of Astronomy, Austin, Texas |
|
PDAO |
Publications of the Dominion Astrophysical Observatory |
|
PDB |
Project Data Base |
|
PdBI |
Plateau de Bure Interferometer |
|
PDDO |
Publications of the David Dunlap Observatory |
|
PDO |
Publications of the Dominion Observatory Ottawa |
|
PDP |
Postinsertion Deorbit Preparation |
|
PDQ |
PODPS Data Quality |
|
PDR |
Physician’s Desk Reference |
|
PDR |
Photo Dissociation Region |
|
PDR |
Preliminary Design Review |
|
PDreO |
Publications of the Dresden Observatory |
|
PDS |
Planetary Data System |
|
PDS |
Photometric Data Systems |
|
PDUFA |
Prescription Drug User Fee Act (1992, U.S.) |
|
PEB |
Performance Evaluation Board |
|
PEGA |
Programs in Extra-Galactic Astronomy |
|
PEP |
PhotoElectric Photometry |
|
PEP |
Proposal Entry Processor |
|
PEPE |
Plasma Experiment for Planetary Exploration |
|
PEPI |
Physics of the Earth and Planetary Interiors |
|
PEPSI |
PEP System |
|
PerCo |
Perkins Observatory Contributions |
|
PERI |
Pharmaceutical Education & Research Institute |
|
PET |
Peak Ejection Time |
|
PF&CO |
Publications of the Flower and Cook Astronomical Observatory |
|
PFAO |
Publications of the Flower Astronomical Observatory |
|
PFI |
Partial Frame Image |
|
PFM |
Pre-Flight Module |
|
PFR |
Portable Foot Restraint |
|
PFS |
Percent Full Scale |
|
PGC |
Principal Galaxy Catalog |
|
PGLO |
Publications of the Goethe Link Observatory |
|
PGooO |
Publications of the Goodsell Observatory |
|
PGPLOT |
FORTRAN subroutine library for plotting graphics |
|
PHA |
Potentially Hazardous Asteroid |
|
PHA |
Physics And Astronomy |
|
PhASp |
Physics and Astrophysics from Spacelab |
|
PHP |
Planetary Horizontal Platform |
|
PhRMA |
Pharmaceutical Research and Manufacturers of America (formerly PMA, Pharmaceutical Manufacturers Association) |
|
PHS |
Public Health Service (U.S.) |
|
PI |
Principle Investigator |
|
PIFOV |
Planet In Field Of View |
|
PISCO |
Parallel Imager for Southern Cosmological Observations |
|
PIstO |
Publications of the Istanbul Observatory |
|
PK |
Perek-Kohoutek |
|
PKAS |
Publication of the Korean Astronomical Society |
|
PKirO |
Publications of the Kirkwood Observatory of Indiana University |
|
PLANEMO |
Planetary Mass Object |
|
PLANET |
Probing Lensing Anomalies NETwork |
|
PlAst |
Planetary Astronomy |
|
PLawO |
Publications of Laws Observatory |
|
PLE |
Partial Lunar Eclipse |
|
PLicO |
Publications of Lick Observatory |
|
PlR |
Planetary Report |
|
PLS |
Palomar-Leiden Survey |
|
PLSS |
Portable Life Support System |
|
PM |
Project Manager |
|
PM |
Primary Mirror |
|
PM |
Pressurized Module |
|
PMA |
Premarket Application |
|
PManO |
Publications of the Manila Observatory |
|
PMC |
Permanently Manned Capability (of Space Station) |
|
PMcCO |
Publications of the Leander McCormick Observatory |
|
PMDB |
Project Management Data Base |
|
PMIRR |
Pressure Modulated InfraRed Radiometer |
|
PMPS |
Parkes Multibeam Pulsar Survey |
|
PMS |
Pre–Main Sequence |
|
PMT |
Photo Multiplier Tube |
|
PMunO |
Publications of the Munich Observatory |
|
PN |
Planetary Nebula |
|
PNAOJ |
Publications of the National Astronomical Observatory of Japan |
|
PNG |
Planetary Nebulae, Galactic |
|
PNLF |
Planetary Nebula Luminosity Function (astronomy) |
|
PNN |
Planetary Nebula Nucleus |
|
PNNV |
Planetary Nebula Nucleus Variable |
|
PNs |
Pulsed Neutron Source |
|
PNX |
Pulsar Network Exchange |
|
PO |
Primary Object |
|
POCC |
Payload Operations Control Center |
|
PODPS |
Post Observation Data Processing System |
|
POEM |
Polar-Orbiting Earth Mission |
|
POHel |
Publications of the Astronomical Observatory Helsinki |
|
POL |
Physician's Office Laboratory |
|
POMic |
Publications of Michigan Observatory |
|
POMin |
Publications of the Astronomical Observatory University of Minnesota |
|
PORTS |
Preliminary Operations Requirements and Test Support |
|
POS |
Point of Service Plan |
|
POSS |
Palomar Observatory Sky Survey |
|
POVRO |
Publications of the Owens Valley Observatory |
|
PPARC |
Particle Physics and Astronomy Research Council |
|
PPCAS |
Publication of the Pomona College Astronomical Society |
|
PPF |
Payload Processing Facility (USAF) |
|
ppm |
parts per million |
|
PPM |
Positions And Proper Motions (catalog) |
|
PPMtO |
Publications of the Purple Mountain Observatory |
|
PPN |
Proto-Planetary Nebula |
|
PPNe |
Proto-Planetary Bebulae |
|
PPO |
Preferred provider organization |
|
PPQA |
Pre-Product Quality Assurance |
|
PPRC |
Physician Payment Review Commission |
|
PR |
Public Relations |
|
PR |
Problem Report |
|
PrAeS |
Progress in Aerospace Sciences |
|
PrAst |
Practical Astronomy |
|
pRb |
Preliminary Review Board |
|
PRCO |
Publications of the Riverview College Observatory |
|
PRE |
Photospheric Radius Expansion |
|
PRESTO |
Project to Re-Engineer Space Telescope Observing |
|
PRO |
Professional Review Organization |
|
PROE |
Publications of the Royal Observatory of Edinburgh |
|
PROM |
Programmable Read-Only Memory |
|
PROPAC |
Prospective Payment Assessment Commission |
|
Proplyd |
Protoplanetary Disk |
|
PROS |
Post Reduction Offline Software |
|
PRR |
preliminary requirements review |
|
PSC |
Point Source Catalog |
|
PSF |
Point Spread Function |
|
PSI |
Planetary Science Institute |
|
PSI |
Pounds Per Square Inch (Static Pressure) |
|
Psk |
Phase Shift Key |
|
PSL |
Program Support Library |
|
PSLV |
Polar Satellite Launch Vehicle (Indian Space Research Organization; India) |
|
PSprO |
Publications of the Sproul Observatory |
|
PSR |
Project Status Review |
|
PSR |
Pulsar Supernova Remnant |
|
PSR |
Pulsar |
|
PSS |
Palomar Sky Survey |
|
PST |
Personal Solar Telescope |
|
PT |
Pass-Through |
|
PT |
Physical Therapy |
|
PTF |
Palomar Transient Factory |
|
PTF |
Payload Test Facility |
|
PUAms |
Publications of the Astronomical Institute of the University of Amsterdam |
|
PUSNO |
Publications of the US Naval Observatory |
|
PV |
photovoltaic (solar) |
|
PVasO |
Publications of the Vassar College Observatory |
|
PVO |
Pioneer Venus Orbiter |
|
PVSS |
Publications of Variable Star Section |
|
PVTEL |
PV TELescopii |
|
PVVO |
Publications of the Van Vleck Observatory |
|
PW&SO |
Publications of the Warner Swasey Observatory |
|
PWasO |
Publications of the Washburn Observatory |
|
PWD |
Pre-White Dwarf |
|
PWHHO |
Publications of West Hendon House Observatory, Sunderland |
|
PWLA |
Portable Work Light Assembly |
|
PWM |
pulse width modulated |
|
PWN |
Pulsar Wind Nebula |
|
PX |
Planet Xtraterrestrial |
|
PYerO |
Publications of the Yerkes Observatory |
|
PYunO |
Publications of the Yunnan Observatory |
|
PZT |
Photographic Zenith Tube |
|
Q&A |
qualification and acceptance |
|
Qa |
Center for Quality Assurance in International Education |
|
QBO |
Quasi-biennial Oscillation (atm.) |
|
QBSA |
Quarterly Bulletin on Solar Activity |
|
QC |
Quality Control |
|
QE |
Quantum Efficiency |
|
QE |
Quality Engineer |
|
QEH |
Quantum Efficiency Hysteresis |
|
QHO |
Quail Hollow Observatory |
|
QJRAS |
Quarterly Journal of the Royal Astronomical Society |
|
QPO |
Quasi-periodic Oscillation |
|
QPOE |
Quick Position Oriented Event |
|
QPP |
Quasi-Periodic Oscillation |
|
QPSK |
quadriture phase shift keying |
|
QSIT |
Quality System Inspection Technique |
|
QSO |
Quasar|Quasi-Stellar Object |
|
QSR |
Quality System Regulation |
|
QTG |
Quantum Theory of Gravity |
|
QV |
quick visual |
|
QZ |
Quasi Zenith |
|
R |
Ray |
|
R |
Rayleigh |
|
R&D |
Research & Development |
|
R&I |
Receiving and Inspection |
|
R&QA |
Reliability & Quality Assurance |
|
R&R |
Reproducibility And Repeatability |
|
R-L |
Richardson-Lucy |
|
R/T |
Real Time |
|
RA |
Regulatory Affairs |
|
RA |
Right Ascension |
|
RA |
Research Assistant |
|
RAA |
Relative Azimuth Angle |
|
RABF |
Radio Astronomy Bandstop Filter |
|
Rad |
Radiant |
|
Radar |
RAdio Detection And Ranging |
|
RAE |
Radio Astronomy Explorer |
|
RAG |
Radio Astronomy Group |
|
RAL |
Radio Astronomy Laboratory |
|
RALPH |
Reduction and Acquisition of Lunar Pulse Heights |
|
RAM |
random-access memory |
|
RAMBO |
Robust associations of massive baryonic objects |
|
RAPS |
radiologists, anesthesiologists, and pathologists |
|
RAPS |
Regulatory Affairs Professional Society |
|
RAPT |
Reynolds Amateur Photometry Team |
|
RAS |
Royal Astronomical Society |
|
RASC |
Royal Astronomical Society of Canada |
|
RASS |
ROSAT All-Sky Survey |
|
Razel |
Range, Azimuth and Elevation |
|
RC |
Red Clump |
|
RC |
Ritchey-Chretien |
|
RC |
Relativistic Correction |
|
Rc |
Reference Catalogue |
|
RCB |
R Coronae Borealis |
|
RCI |
Rocket Consortium Interstellar |
|
RCI |
Rodent Cage Interface |
|
RCS |
Radar Cross Section |
|
Rcs |
Reaction Control System/Subsystem |
|
RCS |
Readiness Control System |
|
RDI |
Radiation Driven Implosion |
|
RE |
ROSAT (ROentgen SATellite) EUV (Extreme Ultra-Violet) |
|
RECONS |
Research Consortium on Nearby Stars |
|
REM |
Rat Enclosure Module |
|
REPT |
Relativistic Electron-Proton Telescope |
|
RF |
Radio Frequency |
|
RFI |
Radio Frequency Interference |
|
RFNA |
Red Fuming Nitric Acid |
|
RFO |
Robert Ferguson Observatory |
|
RFP |
Request For Proposal |
|
RFT |
Rich Field Telescope |
|
RGA |
Rate Gyro Assembly |
|
RGB |
Red Giant Branch |
|
RGO |
Royal Greenwich Observatory |
|
RGOB |
Royal Greenwich Observatory Bulletin |
|
RGOO |
Royal Greenwich Observatory Observations |
|
RIACS |
Research Institute for Advanced Computer Science |
|
RICAP |
Roma International Conference on Astroparticle Physics |
|
RISC |
Reduced Instruction Set Computer |
|
RLOF |
Roche Lobe Overflow |
|
RLQ |
Radio Loud Quasar |
|
RM |
Retrieval Mode |
|
RMO |
Rattlesnake Mountain Observatory |
|
RMS |
Remote Manipulator System |
|
RMS |
Republic Management Systems, Inc. |
|
RMS |
Record Management System |
|
rms |
root mean square (preferred over "RMS") |
|
RN |
Reflection Nebulosity |
|
RNAOJ |
Report of the National Astronomical Observatory of Japan |
|
RNGC |
Revised New General Catalog |
|
RNP |
Rotation, Nutation and Precession |
|
ROAn |
Royal Observatory Annals |
|
ROE |
Royal Observatory, Edinburgh |
|
ROI |
Region of Interest |
|
ROI |
Return on Investment |
|
ROLun |
Reports of the Lund Observatory |
|
ROM |
Rough Order of Magnitude |
|
ROM |
Read-Only Memory |
|
RORF |
Radio/Optical Reference Frame |
|
ROSA |
Romanian Space Agency |
|
ROSAT |
Roentgen Satellite |
|
ROTFL |
Roll On The Floor Laughing |
|
ROTSE |
Robotic Optical Transient Search Experiment |
|
ROUS |
Rodents Of Unusual Size |
|
RPI |
Rensselaer Polytechnic Institute (Rensselaer, NY) |
|
RPM |
Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know |
|
RPM |
Revolutions Per Minute, (Rotations Per Minute) |
|
RPO |
Research Programs Office |
|
RPSS |
Remote Proposal Submission System |
|
RQQ |
Radio Quiet Quasar |
|
RQZ |
Radio Quiet Zone |
|
RRAT |
Rotating RAdio Transient |
|
RRL |
RR Lyrae |
|
RS |
Reed-Solomon error detection |
|
RS |
Resource Scheduler |
|
RSA |
Russian Space Agency |
|
RSA |
Revised Shapley-Ames |
|
RSAA |
Research School of Astronomy and Astrophysics |
|
RSB |
Research Support Branch |
|
RSDP |
Routine Science Data Processing |
|
RSFC |
Radially Stratified Flame Core |
|
RSG |
Red Super Giant |
|
RSI |
Research Systems, Inc. |
|
RSN |
Radio SuperNova |
|
RSN |
Real Soon Now [which may be a long time coming] |
|
RSNA |
The Radiological Society of North America, Inc. |
|
RSO |
Resident Space Object |
|
RSS |
Rotating Service Structure |
|
RSU |
Rate Sensor Unit |
|
RTA |
Real Time Activity |
|
RTB |
Return to Brightest |
|
RTC |
Real-Time Command |
|
RTC |
Researching The Cosmos |
|
RTG |
Radioisotope Thermoelectric Generator |
|
RTK |
Right-To-Know |
|
RTLS |
Return To Launch Site |
|
RTLT |
Round Trip Light Time |
|
RTO |
Real-Time Operation |
|
RTPW |
Rapid True Polar Wander |
|
RTS |
Relative Time Sequence |
|
RTV |
Room Temperature Vulcanizer |
|
RU |
Radius of Uranus |
|
RV |
Radial Velocity |
|
RV |
Radius of Venus |
|
RvGSP |
Reviews of Geophysics and Space Physics |
|
RvMA |
Reviews in Modern Astronomy |
|
RVU |
Relative Value Unit |
|
RWA |
Reaction Wheel Assembly |
|
RX |
ROSAT X-ray |
|
RXTE |
Rossi X-Ray Timing Explorer |
|
s&t |
Sky & Telescope |
|
S/C |
Spacecraft |
|
S/N |
Serial Number |
|
S/N |
Signal-to-Noise ratio |
|
S/W |
Software |
|
SA |
Solar Array |
|
SAA |
South Atlantic Anomaly |
|
SAAO |
South African Astronomical Observatory |
|
SAAOC |
South African Astronomical Observatory Circular |
|
SAC |
Saguaro Astronomy Club |
|
SAC |
Solar Array Carrier |
|
sad |
Supra-Arcade Downflow |
|
Sade-1 |
Solar Array Deploy Electronics-11 |
|
SAGA |
Solar Array Gain Augmentation |
|
SAL |
Space Astronomy Laboratory (Univ. Wisconsin, Madison WI) |
|
SALT |
South African Large Telescope |
|
SAM |
Small Angle Maneuver |
|
SAM |
Sample Analysis of Mars |
|
SAM |
Super Active Matter |
|
SAMPEX |
Solar Anomalous And Magnetospheric Particle Explorer (spacecraft) |
|
sans |
Stellar Autonomous Navigation System |
|
SANSA |
South African National Space Agency |
|
SAO |
Swinburne Astronomy Online |
|
SAO |
Smithsonian Astrophysical Observatory |
|
SAOC |
SAO Catalog |
|
SAOCo |
Smithsonian Astrophysical Observatory - Contributions to Astrophysics |
|
SAPS |
Sub Auroral Polarization Streams |
|
SAR |
Software Analysis Room |
|
SAR |
synthetic aperture radar (satellite) |
|
SAR |
Search And Rescue |
|
SARA |
Society of Amateur Radio Astronomers |
|
SARA |
Sub-KeV Atom Reflection Analyzer |
|
SARA |
Satellite pour Astronomie Radio Amateur |
|
SARDS |
Solar Active Region Display System |
|
sarex |
Space Amateur Radio Experiment |
|
sarex |
Search and Rescue Exercise |
|
sas |
Space Activity Suit |
|
SAS |
Space Adaptation Syndrome |
|
SAS |
Small Astronomy Satellite |
|
SAS |
Science Analysis Software |
|
SAT |
Synthetic Aperture Telescope |
|
SB |
Spectroscopic Binary |
|
SB |
Super Bright |
|
SBIG |
Santa Barbara Instrument Group |
|
SBNC |
Small Bodies Names Committee |
|
SBUV |
Solar Blind Ultra- Violet |
|
SC |
Star Cluster |
|
SCA |
Shuttle Carrier Aircraft |
|
SCAC |
Science Computing Advisory Commitee |
|
SCARS |
Science Computing & Research Support Division |
|
SCAS |
Southern Cross Astronomical Society, Inc. |
|
SCCCB |
Science Computing Configuration Control Board |
|
SCCP |
Sloan Computational Cosmology Project |
|
SCE |
SPACECRAFT COMMAND ENCODER |
|
SCL |
Service Control Level |
|
SCMS |
STScI Code Management System |
|
sco |
Software Change Order |
|
SCOA |
Smithsonian Contributions to Astrophysics |
|
SCP |
Small Computer Systems Interface |
|
SCP |
Single Color Photometry |
|
SCP |
Science Data Analyst |
|
SCP |
Supernova Cosmology Project |
|
SCR |
SuperCOSMOS-RECONS |
|
SCRT |
Stockholm Centimetre Radio Telescope |
|
SCSA |
Science and Culture Series Astrophysics |
|
SCSI |
Small Computer System Interface |
|
SCSP |
Science and Culture Series Physics |
|
SCT |
Schmidt-Cassegrain Telescope |
|
SCUBA |
Submillimetre Common User Bolometer Array |
|
SCUBA-2 |
Submillimetre Common User Bolometer Array 2 |
|
sd |
Subdwarf |
|
SDA |
Science Data Analyst Small Computer Systems Interface |
|
SDAC |
Solar Data Analysis Center |
|
SDAS |
Scarborough And District Astronomy Society |
|
SDAS |
Scientific Data Analysis System |
|
SDD |
Single Dish Data |
|
SDD |
Software Design Document |
|
SDF |
Science Data Formatter |
|
SDH |
science data header |
|
SDI |
Strategic Defense Initiative |
|
SDIO |
Strategic Defense Initiative Organization |
|
SDM |
Secondary Deployment Mechanism |
|
SDMS |
Spatial Data Management System |
|
SDO |
Scattered Disk Object |
|
SDOR |
S DORadus |
|
SDP |
science data packet |
|
SDR |
System Design Review |
|
SDS |
Star Diagnosis System |
|
SDSS |
Sloan Digital Sky Survey |
|
sdssp |
Sloan Digital Sky Survey provisory |
|
SE |
Solar Empire |
|
SEA |
Sensor Electronics Assembly |
|
SEB |
Source Evaluation Board |
|
SEB |
Systems Engineering Branch |
|
SED |
Spectral Energy Distribution |
|
SEDS |
Students for the Exploration and Development of Space |
|
sef |
Space Environmental Facility |
|
SEI |
Space Exploration Initiative |
|
SEM |
space environment monitoring |
|
SEOS |
Synchronous Earth Observation Satellite |
|
sep |
South Ecliptic Pole |
|
SEP |
Solar Energetic Particle |
|
SEP |
System Enhancement Plan |
|
SER |
Systems Engineering Report |
|
SerAJ |
Serbian Astronomical Journal |
|
SERC |
Science and Engineering Research Council |
|
SERF |
Space Environment Research Facility |
|
SESD |
Science and Engineering Systems Division |
|
sest |
Swedish-ESO Submillimetre Telescope |
|
SEST |
Swedish ESO Submillimeter Telescope |
|
SET |
Science, Engineering and Technology |
|
SETA |
Search for Extra Terrestrial Artifacts |
|
SETG |
Search for Extra-Terrestrial Genomes |
|
SETI |
Search for Extra Terrestial Intelligence |
|
SETI |
Search for Extraterrestrial Intelligence |
|
SF |
Square Foot |
|
SF |
Star Field |
|
SF |
Star Formation |
|
SF |
Science Fiction |
|
SF |
Surface Features |
|
SFAC |
Santa Fe Astronomy Club |
|
SFC |
Space Forecast Center |
|
SFD |
SXT Full Disk |
|
SFM |
Super Full Moon |
|
SFN |
Star Formation Newsletter |
|
SFR |
Star Formation Rate |
|
SFS |
Smallest Feature Size |
|
SFU |
Space Flier Unit |
|
SG |
Shattered Galaxy (game) |
|
SG |
Star Graph |
|
sGC |
Southern Galaxy Catalogue |
|
SGD |
Solar Geophysical Data |
|
sgemp |
Space-Generated Electromagnetic Pulse |
|
sgf |
SpaceGuard Foundation |
|
SGP |
South Galactic Pole |
|
SGR |
Soft Gamma Repeater |
|
SGRA |
School of Galactic Radio Astronomy |
|
SGRB(s) |
short gamma ray burst(s) |
|
SH |
Super Hot |
|
SHA |
Sidereal Hour Angle |
|
SHAD |
Stellar Horizon Atmospheric Dispersion |
|
shad |
Stellar Horizon Attitude Determination |
|
shar |
Stellar Horizon Atmospheric Refraction |
|
SHL |
Science Header Line |
|
SHP |
Standard Header Packet |
|
SI |
Scientific Investigation |
|
SI |
Science Instrument |
|
SIA |
Solar Inertial Attitude |
|
SIAF |
Science Instrument Aperture File |
|
SIB |
Science Instrument Branch |
|
SIC |
Spacecraft Identification Code |
|
SID |
Software Implementation Directive |
|
SID |
Sudden Ionospheric Disturbance |
|
SIDC |
Sunspot Index Data Center |
|
SIDS |
SI Detector System |
|
SIF |
Science Instrument Formatter |
|
SIG |
Special Interest Group |
|
SIM |
Simulator |
|
SIM |
Space Interferometry Mission |
|
SIM |
Star in Motion |
|
SIMA |
Secondary Mirror Incremental Motor Actuator |
|
SIMBAD |
Set of Identifications, Measurements, and Bibliography for Astronomical Data |
|
SIMCAT |
simulate observations using space catalog |
|
SIMM |
Standard Inline Memory Module |
|
SINGS |
Spitzer Infrared Nearby Galaxies Survey |
|
SIP |
Space Interested Person |
|
SIP |
Sickness Index Profile |
|
SIP |
Software Implementation Plan |
|
SIPE |
Science Instrument Protective Enclosure |
|
SIPS |
Spectral Image Processing System |
|
SIPS |
Southern Infrared Proper Motion Survey |
|
SIR |
Shuttle Imaging Radar |
|
SIRA |
Solar Imaging Radio Array |
|
SIRD |
Support Instrumentation Requirements Document |
|
SIRTF |
Space Infrared Telescope Facility |
|
SIRTF |
Shuttle InfraRed Telescope Facility |
|
SIS |
Superconductor-Isolator-Superconductor |
|
SIS |
SETI (Search for Extra-Terrestial Intelligence) Intercept System |
|
SISEX |
Shuttle Imaging Spectrometer Experiment |
|
SITB |
System Integration and Testing Branch |
|
SJC |
slit jaw camera |
|
SJR |
Software Justification Report |
|
SKA |
Square Kilometre Array |
|
SL |
Comet Shoemaker-Levy |
|
SLAP |
Space Link Access Protocol |
|
SLAR |
Side-Looking Airborne Radar |
|
SLC |
Space Launch Complex |
|
SLOI |
Satellite Lake Observatory Initiative |
|
SLOWPOKES |
Sloan Low-mass Wide Pairs of Kinematically Equivalent Stars |
|
Sls |
Space Life Sciences |
|
SLSN-I |
hydrogen-poor SLSNe |
|
SLSN-II |
hydrogen-rich SLSNe |
|
SLSN-R |
radioactively powered SLSNe |
|
SLSNe |
superluminous supernova events |
|
SLTV |
System Level Thermal Vacuum |
|
sm |
Safe Mode |
|
SM |
Standard Model |
|
SM |
Secondary Mirror |
|
SMA |
Submillimeter Array |
|
SMA |
Secondary Mirror Assembly |
|
SMART |
Small Missions for Advanced Research in Technology |
|
SMASH |
Survey of MAgellanic Stellar History |
|
SMBH |
Super Massive Black Hole |
|
SMC |
Standard Model of Cosmology |
|
SMC |
Small Magellanic Cloud |
|
SMDA |
Safe Medical Devices Act (1990) |
|
SME |
Solar Mesosphere Explorer |
|
SMM |
Solar Maximum Mission |
|
SMM |
science mission management |
|
SMM |
Spectro-Mirror Mechanism |
|
SMO |
Servicing Mission Office |
|
SMOV |
Servicing Mission Observatory Verification |
|
SMS |
Sun Moon and Stars |
|
SMS |
Science Mission Specification |
|
SN |
Space Network |
|
SN |
Signal-to-Noise |
|
SN |
SuperNova |
|
SNAP |
Supernova / Acceleration Probe |
|
SNAP |
Structural Network Analysis Program |
|
SNII |
SuperNova of Type II |
|
SNR |
SuperNova Remnant |
|
SNR |
Signal-to-Noise Ratio |
|
SNR |
Super Nova Remnant |
|
SNU |
Solar Neutrino Units |
|
SNY |
Starry Night Backyard |
|
so |
Space Operations |
|
SO/SI |
space operations and scientific investigation |
|
SOARD |
Steward Observatory Asteroid Relational Database |
|
SOB |
Science Observatory Branch |
|
SOFA |
Standards of Fundamental Astronomy |
|
SOFA |
Selectable Optical Filter Assembly |
|
SOFIA |
Stratospheric Observatory for Infrared Astronomy |
|
SOGS |
Science Operations Ground System |
|
SOHO |
Solar Heliospheric Observatory |
|
SOHO |
SOlar and Heliospheric Observatory |
|
SOLSTICE |
Solar Stellar Irradiance Comparison Experiment |
|
soph |
Solar Physics |
|
SoSyR |
Solar System Research |
|
SOT |
Solar Optical Telescope |
|
SouSt |
Southern Skies |
|
SOW |
Statement Of Work |
|
SP |
sun point |
|
SP |
Solar Physics |
|
SPA |
Solar Panel Assembly |
|
SPAC |
State Pharmaceutical Administration of China |
|
SPAM |
Special People Admiring Meteors |
|
SPAN |
Space Physics Analysis Network |
|
SPARC |
Space Physics Aeronomy Research Collaboratory |
|
SPART |
Space Research and Technology |
|
SPARTAN |
Shuttle Pointed Autonomous Research Tool for Astronomy |
|
SPB |
Science Planning Branch |
|
SPC |
Short Period Comets |
|
SPD |
Science Programs Division |
|
SPD |
Solar Physics Division |
|
SPD |
Southern Polar Distance |
|
SPDM |
Special Purpose Dextrous Manipulator |
|
SPE |
Static Phase Error |
|
sped |
Space Education |
|
spg |
Special Projects Group |
|
SPICE |
Survey Probe Infrared Celestial Experiment |
|
SPIE |
The Society of Photo-optical Instrumentation Engineers |
|
SPIEL |
Signal Processing Interactive Extensible Language |
|
SPIF |
Shuttle/POCC Interface Facility |
|
SPIRE |
Spectral Infrared Rocket Experiment |
|
SPIRIT |
SPace InfraRed Imaging Telescope |
|
SPIRIT |
Spatial Infrared Telescope |
|
SpMar |
Space Markets |
|
SPO |
Sacramento Peak Observatory |
|
SPOT |
Satellite Pour l'Observation de la Terre (France) |
|
SPP |
Subset Preprocessor |
|
SPP |
Solar Physics Payload |
|
SpPol |
Space Policy |
|
SPR |
Software Problem Report |
|
SpRBu |
Space Research Bulgaria |
|
SPRL |
Space Physics Research Laboratory |
|
SprRe |
Sproul Observatory Reprints |
|
SPS |
Solar Power Satellite |
|
SPSO |
Science Program Selection Office |
|
SPSS |
Science Planning and Scheduling System |
|
SPST |
Science Planning and Scheduling Team |
|
spT |
South Pole Telescope |
|
Spvw |
Spaceview |
|
spwd |
Space World |
|
SpWea |
Space Weather |
|
SPYBAL |
spectrum Y balance |
|
SQA |
Software Quality Assurance |
|
SQIID |
Simultaneous Quad Infrared Imaging Device |
|
SQM |
Strange Quark Matter |
|
SQPK |
staggered quadrature phase shift keying |
|
SQPN |
staggered quadriphase pseudo-random noise |
|
SR |
Special Relativity |
|
SR |
Spectral Recording |
|
SRAA |
Scenic Rim Astronomy Association, Inc. |
|
SRAG |
Space Radiation Analysis Group |
|
srb |
Solid Rocket Boosters |
|
SRC |
Science Research Council (formerly DSIR) (U.K.) |
|
SRD |
Software Requirements Document |
|
SRL |
Space Radar Laboratory |
|
SRM |
Solid Rocket Motor |
|
SRON |
Space Research Organization of the Netherlands |
|
SRS |
Stellar Radiation Sensor |
|
SRS |
Southern Reference Star |
|
ss |
Star Selector |
|
SS |
Safing System |
|
SS |
Shooting Stars |
|
ss |
Symbiotic Star |
|
SS |
System Simulator |
|
SSA |
Small Science Aperture |
|
SSA |
Star Selector Assembly |
|
SSB |
Science Software Branch |
|
SSB |
Space Science Board (NRC) |
|
SSBUV |
shuttle solar backscatter ultraviolet (radiometer) |
|
SSC |
STEIS Steering Committee |
|
SSC |
Science Support Center |
|
SSD |
Science Support Division |
|
SSDA |
Solar System Data Archive |
|
ssdf |
Space Science Development Facility |
|
SSE |
Star Selector Encoder |
|
SSF |
Space Station Fred |
|
SSG |
Science Software Group |
|
SSGSR |
Springer Verlag Springer Series on Group Geophysics Space Research |
|
SSI |
Solid-State Imager |
|
SSI |
Space Studies Institute |
|
SSID1 |
Soviet Space Insertion Diverter One |
|
SSLB |
Steady-State Leaky-Box |
|
SSM |
System Support Module |
|
SSME |
Space Shuttle Main Engine |
|
SSO |
Special Studies Office |
|
ssp |
Subsolar Point |
|
SSP |
Surface Science Packages |
|
SSPF |
Space Station Processing Facility |
|
SSPRv |
Space and Solar Power Review |
|
SSPS |
Sky Survey Prototype System |
|
SSRMS |
Space Station Remote Manipulator System |
|
SSRT |
Single Stage Rocket Technology |
|
ssrv |
Space Science Reviews |
|
sss |
Spinning Sun Sensor |
|
SSS |
SuperCOSMOS Sky Surveys |
|
SSS |
Solar Single Scattering |
|
SSSPM |
SuperCOSMOS Sky Survey Proper Motion |
|
sst |
States Supersonic Transport |
|
SST |
Software Support Team |
|
SST |
Spectroscopic Survey Telescope |
|
sst |
Space Surveillance and Tracking |
|
SST |
Spitzer Space Telescope |
|
SSTO |
Single-Stage-to-Orbit |
|
SSU |
Steady State Universe |
|
ST |
Star Tracker |
|
ST |
Space Telescope |
|
ST-ECF |
Space Telescope - European Coordinating Facility |
|
STAC |
Space Telescope Advisory Council |
|
STACC |
Standard Telemetry And Communications Component |
|
STAN |
Space Telescope Analysis Newsletter |
|
STAR |
Space Telescope Axial Replacement |
|
STARCAT |
Space Telescope Archive Catalog |
|
STARS |
Seismic Telescope for Astrophysical Research from Space |
|
START |
Solar Thermal Analysis Review and Training |
|
STAT |
Space Telescope Astrometry Team |
|
STATS |
star tracker alignment test set |
|
STAVF |
Space Telescope Assembly and Verification Facility |
|
STDN |
Satellite Tracking and Data Network |
|
STEIS |
Space Telescope Electronic Information System |
|
steps |
STEllar Planet Survey |
|
SteRe |
Steward Observatory Reprints |
|
STEREO |
Solar Terrestrial Relations Observatory |
|
STERJ |
Solar, Terrestrial and Environmental Research Japan |
|
STFS |
Space Telescope Flight Software |
|
StHCG |
Studies in High Energy Physics Cosmology and Gravitation |
|
STIC |
Space Telescope Institute Council |
|
STICA |
Space Technology Industrial and Commercial Applications |
|
STIF |
Science and Technology Information Facility |
|
STIF |
Software Test and Integration Facility |
|
STIS |
Space Telescope Imaging Spectrograph |
|
STL |
science trailer line |
|
StMaP |
Studies in Mathematical Physics |
|
STO |
Solar Terrestrial Observatory |
|
STOCC |
Space Telescope Operations Control Center (GSFC, Greenbelt MD) |
|
STOL |
Systems Test and Operations Language |
|
STOMS |
Space Telescope Observatory Management System |
|
STR |
Software Test Report |
|
STR |
Science Tape Recorder |
|
STS |
Shuttle Transport System |
|
STS |
Space Transportation System |
|
STSCI |
Space Telescope Science Institute |
|
STSDAS |
Space Telescope Science Data Analysis System |
|
StSky |
Star Sky |
|
STSWG |
Space Telescope Science Working Group |
|
STVSW |
Space Telescope Verification Software |
|
SUGRA |
Supergravity |
|
SUMER |
Solar Ultraviolet Measurements of Emitted Radiation |
|
SUMS |
Shuttle Upper Atmosphere Mass Spectrometer |
|
SUNY |
State Universityrsity of New York |
|
SUPARCO |
Space & Uppar Atmosphere Research Commission |
|
SUPRIME |
SUbaru PRIME focus CAMera |
|
SUSI |
Sydney University Stellar Interferometer |
|
SUSIM |
Solar Ultraviolet Spectral Irradiance Monitor |
|
SUVSR |
Scandinavian Union of Amateur Astronomers Variable Star Section |
|
SV |
Science Verification |
|
sva |
Soviet Astronomy |
|
SVAL |
Soviet Astronomy Letters |
|
SVD |
Singular Value Decomposition |
|
SVPCS |
Springer Verlag Springer Series on Physics Chemistry Space |
|
SvPhA |
Soviet Physics Astronomy |
|
SVWG |
Science Verification Working Group |
|
swan |
Solar Wind ANisotropy |
|
SWAS |
Submillimeter Wave Astronomy Satellite |
|
SWAT |
Swift Action Team |
|
SWEEPS |
Sagittarius Window Eclipsing Extrasolar Planet Search |
|
SWF |
ShortWave Fading |
|
SWIRE |
Spitzer Wide-area InfraRed Extragalactic survey |
|
SwRI |
Southwest Research Institute |
|
SXARI |
SX ARIetis |
|
SXG |
Spectrum-X-Gamma |
|
SXPHE |
SX PhoEnicis |
|
SXR |
Soft X-Ray |
|
SXT |
Soft X-Ray Telescope |
|
SydOP |
Sydney Observatory Papers |
|
SZA |
Sunyaev-Zeldovich Array |
|
SZA |
Solar Zenith Angle |
|
SZE |
Sunyaev-Zeldovich Effect |
|
T&E |
Test and Evaluation |
|
TAA |
Tasmanian Amateur Astronomers |
|
TAAA |
Tucson Amateur Astronomy Association |
|
TAAS |
The Albuquerque Astronomical Society |
|
TAC |
Time Allocation Committee |
|
TAC |
telemetry and command processor |
|
TAC |
The Astronomy Connection |
|
TAC |
Telescope Allocation Committee |
|
tac |
Twin Astrograph Catalog |
|
TAG |
Two-Axis Gimbal |
|
TAG |
Technical Advisory Group for Biological Control Agents of Weeds |
|
TAI |
International Atomic Time |
|
TAI |
International Atomic Time (Temps Atomique International) [to 2015 July 1st, 35s ahead of UTC; from 2015 July 1st, 36s ahead of UTC.] |
|
TAL |
Teleskop Astronomi Lyubitel |
|
tal |
Transatlantic Landing |
|
TALC |
The Astronomy Learning Center |
|
TAMS |
Terminal Age Main Sequence |
|
TAMS |
Terminal-Age Main Sequence |
|
TANSTAAFL |
There Ain't No Such Thing As A Free Lunch (coined By Author Robert A. Heinlein In His The Moon Is A Harsh Mistress) |
|
TAOS |
Taiwan American Occultation Survey |
|
TAR |
Test Authorization Request |
|
TARDIS |
The Apparatus for Really Distant Interstellar Sojourns |
|
TARDIS |
Time And Relative Dimensions In Space. Dr Who's company car, so to speak. I can confirm that it is 'Dimensions' not 'Dimension'. This begs the follow-up question as to whether the Dimensions are relative to each other or to time, or to both, or to somethi |
|
TAROT |
Télescope à Action Rapide pour les Objets Transitoires |
|
TASS |
The Amateur Sky Survey |
|
TAU |
Thousand Astronomical Unit |
|
TAUVEX |
Tel Aviv University Ultraviolet Explorer |
|
Tb |
Thermal Balance |
|
TBBT |
The Big Bang Theory |
|
tbc |
Time Base Correctors |
|
TBD |
To Be Determined |
|
TC |
Test Conductor (Controller) |
|
tcb |
Barycentric Coordinate Time |
|
TCE |
Thermal Control Electronics |
|
tcg |
Geocentric Coordinate Time |
|
TCPA |
Time for Closest Point of Approach |
|
TCS |
Thermal Control System (Subsystem) |
|
TDB |
Barycentric Dynamical Time |
|
tdrs |
Tracking and Data Relay Satellites |
|
TDRSS |
Tracking and Data Relay Satellite System |
|
TDT |
Terrestrial Dynamical Time |
|
TEA |
Torque Equilibrium Attitude |
|
TEC |
Thermal Electric Cooler |
|
TecRv |
Technology Review |
|
tecu |
Technology and Culture |
|
TEI |
The Education Initiative |
|
TEM |
Transverse Electromagnetic |
|
TEP |
Transits of Extrasolar Planets |
|
TES |
Thermal Emission Spectrometer |
|
TESS |
Transiting Exoplanet Survey Satellite |
|
TFMRP |
Transfer Function Mode Reduction Package |
|
TFOV |
target field of view |
|
TGF |
Terrestrial Gamma-Ray Flash |
|
ThAst |
Theoretical Astrophysics |
|
THEMIS |
Thermal Emission Imaging System |
|
TIB |
Telescope Instrument Branch |
|
Tic |
Tycho Input Catalog |
|
TIE |
Telescopes in Education |
|
TIFF |
Tag Image File Format |
|
TIL |
Transequatorial Interconnecting Loop |
|
TIM |
Telescope Image Modeling |
|
TIMED |
Thermosphere Ionosphere Mesosphere Energetics and Dynamics |
|
TIROS |
Television InfraRed Observation Satellite (POES) |
|
TIUCS |
Transactions of the International Union for Cooperation in Solar Research |
|
TKSC |
Tsukuba Space Center |
|
TLA |
Three Letter Abbreviation |
|
TLE |
Total Lunar Eclipse |
|
TLP |
Transient Lunar Phenomenon |
|
TLP |
The Lunascan Project |
|
TM |
Telemetry |
|
TMA |
Tycho Magnetic Anomaly |
|
TMC |
Telescope Makers Convention |
|
TMC |
Taurus Molecular Cloud |
|
TML |
Total Mass Loss |
|
TMN |
Tokyo Meteor Network |
|
TMP |
Technical Management Plan |
|
TMT |
Thirty-Meter Telescope |
|
TMTE |
Telemetry Test Equipment |
|
TNM |
The New Millenium |
|
TNO |
Trans-Neptunian Object |
|
TO |
Telescope Operator |
|
TO |
target of opportunity |
|
TO |
Texas Instruments |
|
TOCC |
TDRS Operations Control Center |
|
TokAB |
Tokyo Astronomical Bulletin |
|
TokRe |
Tokyo Astronomical Observatory Reprints |
|
TOMS |
Total Ozone Mapping Spectrometer (satellite Instrument) |
|
TOPS |
Toward Other Planetary Systems |
|
TOY |
Time of Year |
|
TOYal |
Transactions of the Astronomical Observatory of Yale University |
|
TPF |
Terrestrial Planet Finder |
|
TPI |
Technical Proposal Instructions |
|
TPS |
Thermal Protection System |
|
TR |
Tape Recorder |
|
TR |
TRansit |
|
TRACE |
Transition Region and Coronal Explorer |
|
TRACE |
Transition Regional and Coronal Explorer |
|
TRB |
Test Review Board |
|
TrES |
Transatlantic Exoplanet Survey |
|
TSI |
Total Solar Irradiance |
|
TSRS |
Trieste Solar Radio System |
|
TSS |
Texas supernova survey |
|
tss |
Targeted Search System |
|
TSTO |
Two-Stage-To-Orbit |
|
TT |
Transit Traverse |
|
TT |
Terrestrial Time (replaced Ephemeris Time, ET) |
|
TT |
Terrestrial Time |
|
TTA |
Time to Apogee |
|
TTC |
telemetry, tracking, and command |
|
TTOC |
Tape Table of Contents |
|
TTP |
Time to Perigee |
|
TTS |
T Tauri Star |
|
TUASB |
Tokyo University Institute of Space and Aeronautical Science Bulletin |
|
TUASR |
Tokyo University Institute of Space and Aeronautical Science Report |
|
TUV |
Technische Uberwachungs-Vereine |
|
TV |
Television |
|
TV |
Thermal Vacuum |
|
twa |
TW Hydrae Association |
|
tyc |
Tycho |
|
TZO |
Thorne-Żytkow Object |
|
uade |
Unanticipated Adverse Device Effects |
|
UAO |
University of Arizona Observatories |
|
UARS |
Upper Atmosphere Research Satellite (NASA) |
|
UBM |
Unpressurized Berthing Mechanism |
|
UBV |
Ultraviolet Blue Visual photometry |
|
UCL |
University College London |
|
UCLA |
Harbor-University of California Los Angeles |
|
UCLAP |
University of California Los Angeles - Astronomical Papers |
|
UCSD |
University of California San Diego |
|
UDL |
Unique Data Log |
|
UDMH |
Unsymmetrical Dimethyl Hydrazine (Alar Metabolite) |
|
UEF |
Unidentified Energy Factor |
|
UESAC |
Uppsala-ESO Survey of Asteroids and Comets |
|
UFO |
Unidentified Flying Object |
|
ug |
U Geminorum |
|
UGC |
Upsala General Catalog |
|
UGC |
Uppsala General Catalog |
|
ugss |
UG SS Cygni |
|
UGSS |
U Gem variable type star (SS Cygnus subtype) |
|
UGSU |
UG SU Ursae Majoris |
|
UGWZ |
U Gem variable type star (WZ Sagittae sub-type) |
|
UGWZ |
UG WZ Sagittae |
|
UGZ |
U Gem variable type star (Z Camelopardalis subtype) |
|
UGZ |
UG Z Camelopardalis |
|
UHF |
Ultra High Frequency (300-3000 MHz; 1m-10cm) |
|
UHMW |
Ultra High Molecular Weight |
|
UHTC |
Ultra High Transmission Coatings (Meade) |
|
UIC |
User Identification Code |
|
UIT |
Ultraviolet Imaging Telescope |
|
UKIDSS UKIRT |
Infrared Deep Sky Survey |
|
UKIRT |
United Kingdom Infrared Telescope |
|
UKSA |
United Kingdom Space Agency |
|
UKST |
United Kingdom Schmidt Telescope |
|
Ul |
Underwriters Laboratory |
|
ulas |
Union List of Astronomy Serials |
|
ULD |
Ultra-wide Low- Distortion lens |
|
ULE |
Ultralow Expansion |
|
ULIRG |
Ultraluminous Infrared Galaxy |
|
ULX |
Ultra-Luminous X-ray source |
|
ULYSSES |
Ultraviolet LibrarY of Spectra for Star-forming Environments |
|
UMCP |
University of Maryland College Park |
|
UMP |
Ultra Metal-Poor |
|
ums |
Upper Main Sequence |
|
UNOOSA |
United Nations Office for Outer Space Affairs |
|
UNPSA |
United Nations Programme on Space Applications |
|
UppAn |
Uppsala Astronomical Observatory Annals |
|
UppOR |
Uppsala Astronomical Observatory Reports |
|
UPS |
Uninterruptible Power Supply |
|
URL |
Universal Resource Locator |
|
URO |
Unidentified Red Object |
|
URP |
Uranian Ring Plane |
|
URPX |
Uranian Ring Plane Crossing |
|
US/PS |
see PRESTO |
|
USAF |
United States Air Force |
|
USAFA |
United States Air Force Academy |
|
USB |
User Support Branch |
|
USGS |
United States Geological Survey (DOI) |
|
USMP |
United States Microgravity Payload |
|
USNO |
United States Naval Observatory |
|
USNOC |
United States Naval Observatory Circulars |
|
USNOR |
United States Naval Observatory Reports |
|
usoc |
Unified System Orbit Computation |
|
USP |
United States Pharmacopeia |
|
USPHS |
United States Public Health Service |
|
USRA |
Universities Space Research Association |
|
USS |
Unusual Star Shape |
|
UST |
Universal Standard Time |
|
UT |
University of Texas |
|
UT |
Universityrsal Time |
|
UT |
Universal Time |
|
UTC |
Coordinated Universal Time |
|
UV |
Ultraviolet (Light) |
|
UV-VIS |
Ultraviolet - Visible |
|
uvcs |
Ultraviolet Coronal Spectrometer |
|
UVOT |
Ultraviolet Optical Telescope |
|
UVS |
Ultraviolet Spectrometer |
|
UW |
University of Wisconsin |
|
UXOR |
UX ORionis objects |
|
VAB |
Vehicle Assembly Building |
|
VAB |
Vertical Assembly Building |
|
VAC |
Volts, Alternating Current |
|
VAFB |
Vandenberg Air Force Base |
|
VAI |
Voluntary Action Indicated (Food & Drug Administration postaudit inspection classification) |
|
VAP |
Verification and Acceptance Program |
|
VatOP |
Vatican Observatory Publications |
|
VBO |
Vainu Bappu Observatory |
|
VBR |
Variable Bit Rate (ATM) |
|
VBT |
Vainu Bappu Telescope |
|
VCC |
Virgo Cluster Catalog |
|
VCS |
Vernier Control System |
|
VDC |
Volts, Direct Current |
|
VdS |
Vereinigung der Sternfreunde |
|
VDU |
Video Display Unit |
|
VEEGA |
Venus-Earth-Earth Gravity Assist |
|
VeLLO |
Very Low Luminosity Object |
|
VERA |
VLBI Exploration of Radio Astrometry |
|
VERITAS |
Very Energetic Radiation Imaging Telescope Array System |
|
VF |
Variable Frequency |
|
VFIR |
Very Far Infra-Red |
|
VFN |
virtual file name |
|
VGRF |
Variable-Gravity Research Facility |
|
VHE |
Very High Energy |
|
VHF |
Very High Frequency |
|
VHT |
Very High Temperature |
|
VilCo |
Villanova University Observatory Contributions |
|
VIMOS |
Visible Multiobject Spectrograph |
|
VISTA |
Visible and Infrared Survey Telescope for Astronomy |
|
VISTAR |
visible space tracking and reconnaissance |
|
VLA |
Very Large Array |
|
VLB |
Very Long Baseline |
|
VLBA |
Very Long Baseline Array |
|
VLBI |
Very Long Baseline Interferometry |
|
VLF |
Very Low Frequency |
|
VLM |
Very Low Mass |
|
VLR |
Very Low Resonance |
|
VLSI |
Very-Large-Scale Integration |
|
VLT |
Very Large Telescope |
|
VMC |
Velocity Modulating Camera |
|
VMO |
Valley of the Moon Observatory |
|
VMOA |
Valley of the Moon Observatory Association |
|
VMS |
Virtual Memory System |
|
VMS |
Vertical Motion Simulator |
|
VO |
Virtual Observatory |
|
VOIR |
Venus Orbiting Imaging Radar |
|
VOS |
Virtual Operating System |
|
VPC |
viewport coordinates |
|
VPF |
Vertical Processing Facility |
|
VPO |
VISTA Project Office |
|
VPO |
Virtual Public Observatory |
|
VPU |
video processing unit |
|
VRAM |
Virtual Random Access Memory |
|
VRCS |
Vernier Reaction Control System |
|
VRM |
Venus Radar Mapper |
|
VRSD |
Verification Requirements and Specifications Document |
|
VSAT |
Very Small Angle Tracker |
|
VSOLB |
Variable Star Observers League in Japan - Bulletin |
|
VSOLJ |
Variable Star Observers League in Japan |
|
VSOP |
VLBI Space Observatory Program |
|
VSSC |
Vikram Sarabhai Space Centre |
|
VSSCi |
Variable Star Section Circulars |
|
VSSRe |
Variable Star Section Reprints |
|
VSSSC |
Variable Star Section Special Circulars |
|
VST |
VLT Survey Telescope |
|
VTHL |
Vertical Takeoff Horizontal Landing |
|
VTT |
Vacuum Tower Telescope |
|
VTVL |
Vertical Takeoff Vertical Landing |
|
vvds |
VIMOS-VLT Deep Survey |
|
VVORe |
Van Vleck Observatory Reprints |
|
VVS |
Vereniging voor Sterrenkunde |
|
VZA |
Viewing Zenith Angle |
|
WAA |
Washington Area Astronomers |
|
WAA |
Western Amateur Astronomers |
|
WAA |
Westchester Amateur Astronomers |
|
WAA |
Wiener Arbeitsgemeinschaft für Astronomie |
|
WAC |
Wide Angle Converter |
|
WACL |
Wide Angle Converter Lens |
|
WAIS |
Wide Area Information Server |
|
WAN |
Wide Area Network |
|
WAPP |
Wide-base Arecibo Pulsar Processor |
|
WasOA |
Washburn Observatory Astrophysics |
|
WASP |
Wide Angle Search for Planets |
|
WAT |
Wide Angle Tail |
|
WAVE |
Wide Area Vertical Expansion |
|
WAXD |
Wide-Angle X-Ray Diffraction |
|
WAXS |
Wide Angle X-ray Scattering |
|
WBFI |
Wide Band Filter Imager |
|
WBHF |
WideBand High Frequency |
|
WBS |
Work Breakdown Schedule |
|
WBS |
Wide Band Spectrometer |
|
WCFZ |
Worst Case Fresnel Zone |
|
WCS |
World Coordinate System |
|
WCT |
Window Correction Table |
|
WD |
White Dwarf |
|
WDM |
Warm Dark Matter |
|
WDMF |
White Dwarf Mass Function |
|
WDS |
Washington Double Star |
|
WDS |
Washington Double Star Catalog |
|
WEBT |
Whole Earth Blazar Telescope |
|
WET |
Whole Earth Telescope |
|
WF/PC |
Wide Field/Planetary Camera |
|
WFAO |
Wide Field Adaptive Optics |
|
WFAP |
Wide Field Astronomy Panel |
|
WFAU |
Wide-Field Astronomy Unit |
|
WFC |
Wide-Field Channel |
|
WFC |
Wide-Field Camera |
|
WFCAM |
Wide Field Camera |
|
WFF |
Wallops Flight Facility |
|
WFIS |
Wide-Field-of-view Imaging Spectrometer |
|
WFMOS |
Wide-Field Multi-Object Spectrograph |
|
WFPC |
Wide Field and Planetary Camera |
|
WFPC2 |
Wide Field Planetary Camera-2 |
|
WFPC2 |
Wide Field and Planetary Camera 2 |
|
WFPCII |
Replacement For WFPC |
|
WFS |
Wave Front Sensor |
|
WG |
Working Group |
|
WGAS |
Working Group on Astronomical Software |
|
WGPSN |
Working Group for Planetary System Nomenclature |
|
WGSS |
Working Group of Standard Stars |
|
WHAC |
West Hawaii Astronomy Club |
|
WHDF |
William Herschel Deep Field |
|
WHO |
World Health Organization |
|
WHT |
William Herschel Telescope |
|
WilOO |
Williamstown Observatory Observations |
|
WIMP |
Weakly Interacting Massive Particle |
|
WinAR |
Windsor Observatory Annual Report |
|
WIRCam |
Wide-field InfraRed Camera, instrument on the Canada-France-Hawaii Telescope |
|
WIRE |
Wide-Field Infrared Explorer |
|
WISARD |
Web Interface for Searching Archival Research Data |
|
WISE |
Wide-Field Infrared Survey Explorer |
|
WIYN |
Wisconsin/Indiana/Yale/NOAO Telescope |
|
WIYN |
Wisconsin, Indiana University, Yale University, and NOAO (National Optical Astronomy Observatories) Observatory |
|
WIYN |
Wisconsin Indiana Yale NOAO Telescope Consortium |
|
WKAA |
West Kentucky Amateur Astronomers |
|
WKO |
Well-Known Object |
|
WLM |
Wolf-Lundmark-Melotte Galaxy |
|
WLM |
Wolf-Lundmark-Melotte |
|
WLWG |
Weak Lensing Working Group |
|
WMAP |
Wilkinson Microwave Anisotropy Probe |
|
WMAP |
Wilkinson Microwave Anisotrophy Probe |
|
WMKO |
W. M. Keck Observatory |
|
WMO |
World Meteorological Organization (ICSU) |
|
WOMBAT |
Wavelength-Oriented Microwave Background Analysis Team |
|
WP |
Work Package |
|
WR |
Western Range |
|
WR |
Wolf-Rayet Star |
|
WRO |
Warren Rupp Observatory |
|
WroRe |
Wroclaw Astronomical Observatory Reprints |
|
WSAL |
Winston-Salem Astronomical League |
|
WSF |
Wake Shield Facility |
|
WSGS |
White Sands Ground Station |
|
WSMR |
White Sands Missile Range (whiz-murr) |
|
WSO |
Wilcox Solar Observatory |
|
WSO |
World Space Observatory |
|
WTR |
Western Test Range |
|
WTTM |
WIYN (Wisconsin, Indiana University, Yale University, and NOAO (National Optical Astronomy Observatories) Observatory) Tip-Tilt Module |
|
wtts |
Weak-Line T-Tauri Star |
|
WUPPE |
Wisconsin Ultraviolet PhotoPolarimter Experiment |
|
WUVC |
Wezen Updated Variability Catalogue |
|
WWW |
World Wide Web |
|
WXM |
Wide-field X-ray Monitor |
|
WXQ |
Waxing Quarter |
|
WYAS |
West Yorkshire Astronomical Society |
|
WYBT |
Whole Year Blazar Telescope |
|
XANES |
X-Ray Near Edge Spectroscopy |
|
XBP |
X-Ray Bright Point |
|
xcs |
XMM Cluster Survey |
|
XEUS |
X-Ray Evolving Universe Spectroscopy Mission |
|
XIS |
X-ray Imaging Spectrometer |
|
XMM |
X-ray Multi- Mirror satellite |
|
XMM |
X-ray Multi Mirror |
|
xn |
X-ray Nova |
|
XRB |
X-Ray Background |
|
XRD |
X-Ray Diffraction |
|
XRF |
X-Ray Flash |
|
XRT |
X-Ray Telescope |
|
XSC |
Extended Source Catalog |
|
XUV |
Extreme Ultraviolet |
|
ys |
Yellow Straggler |
|
ysg |
Yellow Super Giant |
|
YSO |
Young Stellar Object |
|
Z |
Zulu (Greenwich mean time) |
|
Z |
Redshift Factor |
|
Z |
Zenith |
|
ZAC |
Zenith Azimuth Coordinates |
|
ZAHB |
Zero-Age Horizontal Branch |
|
ZAMS |
Zero Age Main Sequence, a star that has just become a main-sequence star (i.e. a star that has begun burning hydrogen in its core) |
|
ZAND |
Z ANDromedae |
|
ZAP |
Z Axis Precession |
|
ZD |
Zenith Distance |
|
ZEPLIN |
ZonEd Proportional scintillation in LIquid Noble gases |
|
ZHR |
Zenith Hourly Rate |
|
ZM |
Zerkalnyi Mirror |
|
ZOF |
zone of exclusion |
|
ZPF |
Zero-Point-Fluctuation |
|
☿ |
Mercury |
|
♁ |
Earth |
|
♃ |
Jupiter |
|
♄ |
Saturn |
|
♅ |
Uranus |
|
♆ |
Neptune |
|
♇ |
Pluto |
|