| Acronym | Meaning |
 | SAM | Shuttle Activation Monitor |
| MRIR | Medium Resolution Infrared Radiometer |
| HR | Hertzsprung-Russell |
| SSPO | Space Shuttle Program Office |
| GSFC | Goddard Space Flight Center |
| CGRO | Compton Gamma Ray Observatory |
| EDRS | European Data Relay Satellite |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| NOCC | Network Operations Control Center |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
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