| Acronym | Meaning |
 | USA/RC | Universities Space Automation/Robotics Consortium |
| TSUP | Tsentr Upravileniya Polyoti |
| GEM | Graphite Epoxy Motor |
| LSR | Local Standard Of Rest |
| IBSS | Infrared Background Signature Survey |
| RF | Radio Frequency |
| UARS | Upper Atmosphere Research Satellite |
| IRAS | InfraRed Astronomical Satellite |
| ENAP | Energetic Neutral Atom Precipitation |
| FOS | Faint Object Spectrograph |
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