Alphabetical Listing of Astronomy Acronyms
- A&A — Astronomy And Astrophysics
- AACS — Attitude And Articulation Control Subsystem
- AAO — Anglo-Australian Observatory
- AAS — American Astronomical Society
- AAS — American Astronautical Society
- AAVSO — American Association of Variable Star Observers
- AC — Atlas Centaur
- ACE — Advanced Composition Explorer
- ACF — Automated Control Function
- ACR — Active Cavity Radiometer
- ACRIM — ACR Irradiance Monitor
- ACRV — Assured Crew Return Vehicle
- ACRV — Astronaut Crew Rescue Vehicle
- ACTS — Advanced Communications Technology Satellite
- ADEOS — Advanced Earth Observing Satellite
- ADFRF — Ames-Dryden Flight Research Facility
- ADS — Astrophysical Data System (at Havard-Smithsonian CfA)
- ADS — Aitken Double Star Catalog
- AE — Arianespace SA
- AEPI — Atmospheric Emissions Photometric Imaging
- AF — Air Force
- AFETR — USAF’s ETR
- AFGWC — Air Force Global Weather Center
- AFP — Air Force Program
- AFPRO — Air Force Plan Representative Office
- AFRSI — Advanced FRSI
- AFWTR — USAF’s WTR
- AGB — Asymptotic Giant Branch
- AGE — Auxiliary Ground Equipment
- AGN — Active Galactic Nucleus
- AGU — American Geophysical Union
- AIAA — American Institute of Aeronautics And Astronautics
- AIPS — Astronomical Image Processing System
- AIRS — Atmospheric Infrared Sounder
- AJ — Astronomical Journal
- ALAE — Atmospheric Lyman-Alpha Emissions
- ALDP — Advanced Launch Development Program
- ALEXIS — Array of Low Energy X-ray Imaging Sensors
- ALPO — Association of Lunar And Planetary Observers
- ALS — Advanced Launch System
- AMOS — Air Force Maui Optical System
- AMSR — Advanced Microwave Sounding Radiometer
- ANSI — American National Standards Institute
- AOA — Abort Once Around (shuttle Abort Plan)
- AOA — Angle of Attack
- AOCS — Attitude And Orbit Control System
- APE — Auroral Photography Experiment
- APJ — Astrophysical Journal
- APL — Applied Physics Laboratory (at Johns Hopkins)
- APM — Attached Pressurized Module (a.k.a. Columbus)
- APM — Atmospheric Particle Monitor
- APT — Automatic Picture Transmission
- APT — Automatic Photoelectric Telescope
- APU — Auxiliary Power Unit
- ARC — Ames Research Center (NASA)
- ARC — Astrophysical Research Consortium
- ARISTOTELES — Applications And Research Involving Space Technologies Observing The Earth’s Field From Low Earth Orbiting Satellite
- ARRL — American Radio Relay League
- ARTEMIS — Advanced Relay TEchnology MISsion
- ASA — Astronomical Society of The Atlantic
- ASCO — Arab Satellite Communications Organization
- ASE — Advanced Space Engine
- ASEM — Assembly of Station By EVA Methods
- ASI — Agenzia Spaziale Italiano
- ASP — Astronomical Society of The Pacific
- ASRM — Advanced Solid Rocket Motor
- ASS — Antenna Support Structure
- ASTER — Advanced Spaceborne Thermal Emission And Reflection
- ASTRO — Space Astrophysics Laboratory
- ATAL — Alternate Transoceanic Abort Landing
- ATCS — Active Thermal Control System
- ATDRS — Advanced Tracking And Data Relay Satellite
- ATLAS — Atmospheric Laboratory For Applications And Science
- ATM — Amateur Telescope Maker
- ATM — Apollo Telescope Mount (on Skylab)
- ATMOS — Atmospheric Trace Molecule Spectroscopy
- ATO — Abort To Orbit
- ATSR — Along Track Scanning Radiometer
- AU — Astronomical Unit
- AURA — Association of Universities For Research In Astronomy
- AVHRR — Advanced Very High Resolution Radiometer
- AW&ST — Aviation Week And Space Technology
- AXAF — Advanced X-ray Astrophysics Facility
- BAE — British Aerospace
- BATSE — Burst And Transient Source Experiment
- BBXRT — Broad-Band X-Ray Telescope
- BC — Bolometric Correction
- BD — Bonner Durchmusterung (catalog)
- BDB — Big Dumb Booster
- BECO — Booster Engine Cutoff
- BEM — Bug-Eyed Monster
- BFC — Backup Flight Computer
- BFCS — Backup Flight Control System
- BFS — Backup Flight System
- BH — Black Hole
- BIMA — Berkeley Illinois Maryland Array
- BIMDA — Bioserve-Instrumentation Technology Associate Materials Dispersion Analysis
- BMDO — Ballistic Missile Defense Office
- BMFT — Bundesministerium Fuer Forschung Und Technologie
- BNSC — British National Space Centre