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AU – Astronomical Unit
EMU – Evolutionary Map of the Universe
EAPSNET – East Asian Planet Search Network
BATSE – Burst and Transient Source Experiment
CME – Coronal Mass Ejection
NCT – Nuclear Compton Telescope
COPUOS – Committee on the Peaceful Uses of Outer Space
NASA – National Aeronautics and Space Administration
ISRO – Indian Space Research Organisation
ESA – European Space Agency
CNSA – China National Space Administration
JAXA – Japan Aerospace Exploration Agency
UKSA – United Kingdom Space Agency
RASC – Royal Astronomical Society of Canada
IAU – International Astronomical Union
IOTA – Infrared Optical Telescope Array
UNOOSA – United Nations Office for Outer Space Affairs
CBAT – Central Bureau for Astronomical Telegrams
SEDS – Students for the Exploration and Development of Space
CEPS – Centre for Earth and Planetary Studies
NACA – National Advisory Committee for Aeronautics
BIS – British Interplanetary Society
MMR – Mean Motion Resonances
ISAS – Institute of Space and Astronomical Science
CIBR – Cosmic Infrared Background Radiation
CGRO – Compton Gamma Ray Observatory
DSCOVR – Deep Space Climate Observatory
EGS – Extended Groth Strip
TAI – International Atomic Time / Temps Atomique International (In French)
CDM – Cold Dark Matter
BLAST – Balloon-borne Large Aperture Submillimeter Telescope
BCRS – Barycentric Celestial Reference System
GCRS – Geocentric Celestial Reference System
RTG – Radioisotope Thermoelectric Generator
QPO – Quasi Periodic Oscillation
CALIPSO – Cloud-Aerosol Lidar an Infrared Pathfinder Satellite Observations
EMR – Electromagnetic Radiation
IWH – International Halley Watch
GRB – Gamma Ray Burst
DES – Dark Energy Survey
GIMP – Gravitational Interacting Massive Particle
HST – Hubble Space Telescope
ACE – Advanced Composition Explorer
THEMIS – Thermal Emission Imaging System
TES – Thermal Emission Spectrometer
INTEGRAL – International Gamma Ray Astrophysics Laboratory
WIMP – Weakly Interacting Massive Particle
FITS – Flexible Image Transport System
CSI – Catalog of Stellar Identifications
IPAC – Infrared Processing and Analysis Center