| Acronym | Meaning |
| LRSI | Low-temperature Reusable Surface Insulation |
| MS | Main Sequence |
| LASCO | Large Angle Spectrometric Coronograph |
| UPPP | Union Pour La Promotion De La Propulsion Photonique |
| CDA | Command And Data Acquisition |
| OSSA | Office Of Space Science And Applications |
| DOMSAT | Domestic Satellite |
| COBE | COsmic Background Explorer |
| M | Messier |
| SEM | Space Environment Monitor |