The list of astronomy acronyms and abbreviations.

All astronomy related acronyms and abbreviations.

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157
NASA:
National Aeronautics and Space Administration(Space exploration)
38
ESA:
European Space Agency(Space exploration, Space agency, Europe)
19
HST:
Hubble Space Telescope(Astronomical satellite, Telescope, Satellite)
11
DSN:
Deep Space Network(Astronomical, SPACE, Astrophysics)
10
NSSDC:
National Space Science Data Center(SPACE, Astrophysics)
8
CSA:
Canadian Space Agency(Space exploration, Space agency, Governmental)
8
LEO:
Low Earth Orbit(Satellite Communications, SPACE, Astrophysics)
6
JAXA:
Japan Aerospace Exploration Agency(Space exploration, Space agency, Japan)
4
COSTAR:
Corrective Optics Space Telescope Axial Replacement(Instrument)
4
ISAS:
Institute of Space and Astronautical Science(SPACE, Astrophysics)
3
EGRET:
Energetic Gamma Ray Experiment Telescope(Telescope, SPACE, Astrophysics)
3
ISRO:
Indian Space Research Organisation(India, SPACE, Astrophysics)
3
MSX:
Midcourse Space Experiment(Telescope, SPACE, Astrophysics)
3
OARE:
Orbital Acceleration Research Experiment(SPACE, Astrophysics, Astronomy)
3
SUSIM:
Solar Ultraviolet Spectral Irradiance Monitor(SPACE, Astrophysics)
3
UIT:
Ultraviolet Imaging Telescope(Telescope, SPACE, Astrophysics)
2
ADS:
Astrophysics Data System(SPACE, Astrophysics, Astronomy)
2
ASI:
Agenzia Spaziale Italiana(Italy, Space exploration, Space agency)
2
CHARA:
Center for High Angular Resolution Astronomy(SPACE, Astrophysics)
2
ERBS:
Earth Radiation Budget Satellite(Environmental Satellite, Satellite)
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APASmart Define. (2018). astronomy. Retrieved September 25, 2026, from http://smartdefine.org/astronomy/abbreviations/r/SPACE
ChicagoSmart Define. 2018. "astronomy" http://smartdefine.org/astronomy/abbreviations/r/SPACE (accessed September 25, 2026).
HarvardSmart Define 2018, astronomy, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/astronomy/abbreviations/r/SPACE>.
MLASmart Define. "astronomy" 9 February 2018. Web. 25 September 2026. <http://smartdefine.org/astronomy/abbreviations/r/SPACE>