| Acronym | Meaning |
 | CV | Cataclysmic Variable |
| SLS | Space(lab) Life Sciences |
| PMC | Permanently Manned Capability |
| IGY | International Geophysical Year |
| VMS | Vertical Motion Simulator |
| SPARTAN | Shuttle Pointed Autonomous Research Tool For Astronomy |
| PEM | Payload Electronics Module |
| ARTEMIS | Advanced Relay TEchnology MISsion |
| ISU | International Space University |
| GIF | Graphics Interchange Format |
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