| S.No. | Short Form | Full Form | Country | Popularity |
| 1 |
SPP |
Science Power Platform |
Russian Federation |
|
| 2 |
PSLV |
Polar Satellite Launch Vehicle |
India |
|
| 3 |
ISRO |
Indian Space Research Organisation |
India |
|
| 4 |
WISE |
Wide-field Infrared Survey Explorer |
Worldwide |
|
| 5 |
TVS |
Tornadic Vortex Signature |
Worldwide |
|
| 6 |
DSN |
Deep Space Network |
Worldwide |
|
| 7 |
SHARAD |
SHAllow RADar |
Worldwide |
|
| 8 |
SAIL |
Shuttle Avionics Integration Laboratory |
United States |
|
| 9 |
GMT |
Giant Magellan Telescope |
Worldwide |
|
| 10 |
SOPA |
Synchronous Orbit Particle Analyzer |
Worldwide |
|
| 11 |
MPL |
Mars Polar Lander |
Worldwide |
|
| 12 |
AMIE |
Advanced Moon Micro-imager Experiment |
Worldwide |
|
| 13 |
ASAP |
Aerospace Safety Advisory Panel |
United States |
|
| 14 |
ILS |
International Launch Services |
Worldwide |
|
| 15 |
CSA |
Canadian Space Agency |
Canada |
|
| 16 |
DFL |
David Florida Laboratory |
Canada |
|
| 17 |
LI |
Lifted Index |
Worldwide |
|
| 18 |
IPO |
Interdecadal Pacific Oscillation |
Worldwide |
|
| 19 |
TMT |
Thirty Metre Telescope |
Worldwide |
|
| 20 |
BCG |
Brightest Cluster Galaxy |
Worldwide |
|
| 21 |
TM |
Thematic Mapper |
Worldwide |
|
| 22 |
PPT |
Pulsed Plasma Thruster |
Worldwide |
|
| 23 |
Cartosat |
Derived form the combination of “Cartography and Satellite” |
India |
|
| 24 |
JASMINE |
Japan Astrometry Satellite Mission for INfrared Exploration |
Japan |
|
| 25 |
ATA |
Allen Telescope Array |
Worldwide |
|
| 26 |
GSLV |
Geosynchronous Satellite Launch Vehicle |
India |
|
| 27 |
INSAT |
Indian National Satellite System |
India |
|
| 28 |
EDUSAT |
Educational Satellite |
India |
|
| 29 |
GMAT |
General Mission Analysis Tool |
Worldwide |
|
| 30 |
GSFC |
Goddard Space Flight Center |
United States |
|
| 31 |
ASLV |
Augmented Satellite Launch Vehicle |
India |
|
| 32 |
APPLE |
Ariane Passenger PayLoad Experiment |
India |
|
| 33 |
ESAC |
European Space Astronomy Centre |
Spain |
|
| 34 |
SLV |
Satellite Launch Vehicle |
India |
|
| 35 |
ADS |
Astrophysics Data System |
Worldwide |
|
| 36 |
ING |
Isaac Newton Group |
Spain |
|
| 37 |
SBR |
Space-Based Radar |
Worldwide |
|
| 38 |
CMD |
Color Magnitude Diagram |
Worldwide |
|
| 39 |
SPF |
Space Power Facility |
Worldwide |
|
| 40 |
AAP |
Apollo Applications Program |
Worldwide |
|
| 41 |
MGS |
Mars Global Surveyor |
United States |
|
| 42 |
NSO |
National Solar Observatory |
United States |
|
| 43 |
IRS |
Indian Remote Sensing |
India |
|
| 44 |
SDO |
Solar Dynamics Observatory |
Worldwide |
|
| 45 |
SDO |
Scattered Disk Object |
Worldwide |
|
| 46 |
KPO |
Kotipu Place Observatory |
New Zealand |
|
| 47 |
SST |
Spitzer Space Telescope |
Worldwide |
|
| 48 |
SRM |
Solid Rocket Motor |
Worldwide |
|
| 49 |
LBT |
Large Binocular Telescope |
United States |
|
| 50 |
ISES |
International Space Environment Service |
Worldwide |
|
| 51 |
HRMS |
High Resolution Microwave Survey |
Worldwide |
|
| 52 |
KMOS |
K-band Multi-Object Spectrograph |
Worldwide |
|
| 53 |
GHZ |
Galactic Habitable Zone |
Worldwide |
|
| 54 |
RCT |
Ritchey-Chrétien Telescope |
Worldwide |
|
| 55 |
MSP |
Millisecond Pulsar |
Worldwide |
|
| 56 |
RAT |
Rock Abrasion Tool |
Worldwide |
|
| 57 |
WMAP |
Wilkinson Microwave Anisotropy Probe |
Worldwide |
|
| 58 |
ISS |
International Space Station |
Worldwide |
|
| 59 |
SOHO |
Solar and Heliospheric Observatory |
Worldwide |
|
| 60 |
SLI |
Space Launch Initiative |
Worldwide |
|
| 61 |
DSS |
Digitized Sky Survey |
Worldwide |
|
| 62 |
NED |
NASA/IPAC Extragalactic Database |
Worldwide |
|
| 63 |
MIPS |
Multiband Imaging Photometer for Spitzer |
Worldwide |
|
| 64 |
PGSC |
Payload General Support Computer |
Worldwide |
|
| 65 |
NRSA |
National Remote Sensing Agency |
India |
|
| 66 |
NRSC |
National Remote Sensing Centre |
India |
|
| 67 |
SR |
Strehl Ratio |
Worldwide |
|
| 68 |
ERS |
European Remote-sensing Satellite |
Worldwide |
|
| 69 |
CrIS |
Cross-track Infrared Sounder |
Worldwide |
|
| 70 |
NPOESS |
National Polar-orbiting Operational Environmental Satellite System |
Worldwide |
|
| 71 |
MOM |
Mars Orbiter Mission |
India |
|
| 72 |
SPHERES |
Synchronized Position Hold Engage and Reorient Experimental Satellites |
Worldwide |
|
| 73 |
CBI |
Cosmic Background Imager |
Chile |
|
| 74 |
LEM |
Lunar Excursion Module |
Worldwide |
|
| 75 |
TVC |
Thermal Vacuum Chamber |
Worldwide |
|
| 76 |
IAA |
International Academy of Astronautics |
Worldwide |
|
| 77 |
ISIS |
Integrated Software for Imagery and Spectrometers |
Worldwide |
|
| 78 |
IMAGE |
Imager for Magnetopause-to-Aurora Global Exploration |
Worldwide |
|
| 79 |
CASA |
Chicago Air Shower Array |
United States |
|
| 80 |
SEP |
Solar Energetic Particles |
Worldwide |
|
| 81 |
SEP |
Solar Electric Propulsion |
Worldwide |
|
| 82 |
HDFS |
Hubble Deep Field South |
Worldwide |
|
| 83 |
IRNSS |
Indian Regional Navigation Satellite System |
India |
|
| 84 |
FLEX |
Flame Extinguishment |
Worldwide |
|
| 85 |
FLEX |
FLuorescence EXplorer |
Worldwide |
|
| 86 |
RX |
Rocket eXperimental |
Indonesia |
|
| 87 |
CXO |
Chandra X-ray Observatory |
Worldwide |
|
| 88 |
M |
Mean anomaly |
Worldwide |
|
| 89 |
DPS |
Descent Propulsion System |
Worldwide |
|
| 90 |
MSG |
Meteosat Second Generation |
Worldwide |
|
| 91 |
MSG |
Microgravity Science Glovebox |
Worldwide |
|
| 92 |
KIMS |
Kennedy Inventory Management System |
United States |
|
| 93 |
MVC |
Maximum-Value Composite |
Worldwide |
|
| 94 |
ORM |
Observatorio del Roque de los Muchachos (Roque de los Muchachos Observatory) |
Spain |
|
| 95 |
IMG |
Interferometric Monitor for Greenhouse Gases |
Japan |
|
| 96 |
EVE |
Extreme Ultraviolet Variability Experiment |
Worldwide |
|
| 97 |
SLR |
Satellite Laser Ranging |
Worldwide |
|
| 98 |
BS |
Broadcasting Satellite |
Japan |
|
| 99 |
EAC |
European Astronaut Centre |
Germany |
|
| 100 |
IGS |
Information Gathering Satellite |
Japan |
|
| 101 |
RC |
Ritchey–Chrétien |
Worldwide |
|
| 102 |
MLA |
Mercury Laser Altimeter |
Worldwide |
|
| 103 |
ESI |
Earth Similarity Index |
Worldwide |
|
| 104 |
PMO |
Planetary-Mass Object |
Worldwide |
|
| 105 |
PMO |
Pine Mountain Observatory |
United States |
|
| 106 |
MCG |
Morphological Catalogue of Galaxies |
Worldwide |
|
| 107 |
ANS |
Astronomical Netherlands Satellite |
Worldwide |
|
| 108 |
Envisat |
Environmental Satellite |
Worldwide |
|
| 109 |
TRAPPIST |
Transiting Planets and Planetesimals Small Telescope |
Worldwide |
|
| 110 |
SUPARCO |
Space and Upper Atmosphere Research Commission |
Pakistan |
|
| 111 |
INCOSPAR |
Indian National Committee for Space Research |
India |
|
| 112 |
EVA |
Extravehicular Activity |
Worldwide |
|
| 113 |
SME |
Solar Mesosphere Explorer |
Worldwide |
|
| 114 |
SRT |
Sardinia Radio Telescope |
Italy |
|
| 115 |
ICO |
Intermediate Circular Orbit |
Worldwide |
|
| 116 |
GN |
Ground Network |
Worldwide |
|
| 117 |
SSC |
Stennis Space Center |
United States |
|
| 118 |
SSC |
Super Star Cluster(s) |
Worldwide |
|
| 119 |
ACES |
Atomic Clock Ensemble in Space |
Worldwide |
|
| 120 |
ACES |
Advanced Crew Escape Suit |
Worldwide |
|
| 121 |
HDF |
Hubble Deep Field |
Worldwide |
|
| 122 |
EMACS |
Engine Monitoring and Control System |
Worldwide |
|
| 123 |
PMS |
Pre-Main Sequence |
Worldwide |
|
| 124 |
HBO |
Hartung–Boothroyd Observatory |
United States |
|
| 125 |
FOC |
Faint Object Camera |
Worldwide |
|
| 126 |
RV |
Radial Velocity |
Worldwide |
|