| Acronym | Meaning |
| ASI | Agenzia Spaziale Italiano |
| NASM | National Air And Space Museum |
| GRS | Great Red Spot |
| SOB | Strap-On Booster |
| HRSI | High-temperature Reusable Surface Insulation |
| AJ | Astronomical Journal |
| CV | Cataclysmic Variable |
| CFA | Harvard-Smithsonian Center For Astrophysics |
| COBE | COsmic Background Explorer |
| C&T | Communications & Tracking |