| Acronym | Meaning |
| FIR | Far InfraRed |
| OCTS | Ocean Color And Temperature Scanner |
| GAS | Get-Away Special |
| EJASA | Electronic Journal Of The Astronomical Society Of The Atlantic |
| CEA | Center For EUV Astrophysics |
| KTB | Cretaceous-Tertiary Boundary |
| AEPI | Atmospheric Emissions Photometric Imaging |
| GSC | Guide Star Catalog |
| CIS | Commonwealth Of Independent States |
| PSR | PulSaR |