| 3D |
|
Three Dimensional |
| A.I. |
|
Artificial Intelligence |
| ACES |
|
Advanced Cryogenic Evolved Stage |
| Adv. |
|
Advanced |
| ATLAST |
|
Advanced Technology Large-Aperture Space Telescope |
| AU |
|
Astronomical Unit |
| BEAM |
|
Bigelow Expandable Activity Module |
| Bio. |
|
Biological |
| Biomech. |
|
Biomechanical |
| Bio-Med |
|
Biomedical |
| CASIS |
|
Center for the Advancement of Science In Space |
| CATALYST |
|
Cargo Transportation and Landing by Soft Touchdown |
| Cislunar |
|
The Space Between the Earth and Moon |
| CNSA |
|
China National Space Administration |
| Com. |
|
Commercial |
| Comm |
|
Communication |
| Cryo. |
|
Cryogenic |
| CST |
|
Crew Space Transportation |
| DARPA |
|
Defense Advanced Research Projects Agency (US) |
| DART |
|
Double Asteroid Redirection Test |
| E/M |
|
Earth / Mars |
| EELV |
|
Evolved Expendable Launch Vehicle |
| EM |
|
Electromagnetic |
| EMU |
|
Extravehicular Mobility Unit |
| EOS |
|
Earth Observing System |
| ESA |
|
European Space Agency |
| ESO |
|
European Southern Observatory |
| FT |
|
Full Thrust |
| G |
|
Gravity |
| Gen. |
|
Generation |
| GEO |
|
Geosynchronous Earth Orbit |
| GPS |
|
Global Positioning System |
| GRAIL |
|
Gravity Recovery and Interior Laboratory |
| GSLV |
|
Geosynchronous Satellite Launch Vehicle |
| H2O |
|
Water |
| HASTOL |
|
Hypersonic Airplane Space Tether Orbital Launch |
| He3 |
|
Helium 3 |
| HEDM |
|
High Energy-Density Matter |
| HEO |
|
High Earth Orbit |
| HLV |
|
Heavy Lift Vehicle |
| ILN |
|
International Lunar Network |
| In Situ |
|
On Site |
| IRIS |
|
Interface Region Imaging Spectrograph |
| ISRO |
|
Indian Space Research Organization |
| ISRU |
|
In Situ Resource Utilization |
| ISS |
|
International Space Station |
| ITS |
|
Interplanetary Transport System |
| JAXA |
|
Japan Aerospace Exploration Agency |
| JUICE |
|
Jupiter Icy Moon Explorer |
| KW |
|
Kilowatt |
| L/D |
|
Lift/Drag Ratio |
| L1 |
|
Lagrange Point 35K Miles From Moon to Earth |
| L2 |
|
Lagrange Point 40K Miles Beyond Moon |
| L4 |
|
Lagrange Point 240K Miles Preceding Moon |
| L5 |
|
Lagrange Point 240K Miles Following Moon |
| LADEE |
|
Lunar Atmosphere Dust and Environment Explorer |
| LEO |
|
Low Earth Orbit |
| LLOX |
|
Lunar Liquid Oxygen |
| Mag. |
|
Magnetic |
| MAVEN |
|
Mars Atmosphere and Volatile Evolution Mission |
| MDRE |
|
Mass Driver Reaction Engine |
| MetNet |
|
Meteorology Network |
| Mfg. |
|
Manufacturing |
| MMU |
|
Manned Maneuvering Unit |
| MMW |
|
Multi-Megawatt |
| MPCV |
|
Multi Purpose Crew Vehicle |
| MPR |
|
Mars Pressurized Rover |
| MR |
|
Medium Range |
| MW |
|
Mini-Research Module |
| MXER |
|
Momentum-Exchange / Electrodynamic-Reboost |
| NASA |
|
National Aeronautics and Space Administration |
| NEO |
|
Near Earth Object |
| Ops |
|
Operations |
| OTV |
|
Orbital Transfer Vehicle |
| P |
|
Pressure |
| PLATO |
|
Planetary Transits and Oscillations Of Stars |
| PTV |
|
Passenger Transport Vehicle |
| RLV |
|
Reusable Launch Vehicle |
| RTG |
|
Radioisotope Thermoelectric Generator |
| SELENE |
|
Selenological and Engineering Explorer |
| SETI |
|
Search for Extraterrestrial Intelligence |
| SLS |
|
Space Launch System |
| S-M-L |
|
Small-Medium-Large Size Designation |
| SpaceX |
|
Space Exploration Technologies |
| SR |
|
Short Range |
| SSP |
|
Space Solar Power |
| STV |
|
Space Transfer Vehicle |
| UDM |
|
Universal Docking Module |
| ULA |
|
United Launch Alliance |
| Univ. |
|
University |
| US |
|
United States |
| V2 |
|
Second Version |
| VASIMR |
|
Variable Specific Impulse Magnetoplasma Rocket |
| VR |
|
Virtual Reality |
| WFIRST |
|
Wide Field Infrared Survey Telescope |
| XS1 |
|
Experimental Spaceplane 1 |