| Acronym | Meaning |
 | RG | Red Giant |
| NPO | Scientific Production Organization |
| IBSS | Infrared Background Signature Survey |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| EROS | Earth Resources Observations System |
| IOTA | Infrared-Optical Telescope Array |
| SSCE | Solid Surface Combustion Experiment |
| NERVA | Nuclear Engine For Rocket Vehicle Application |
| ERS | Environmental Research Satellite |
| MJD | Modified Julian Date |
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