| Acronym | Meaning |
| SEST | Swedish ESO Submillimeter Telescope |
| CELSS | Controlled Ecological Life Support System |
| DEC | Declination |
| ISO | Imaging Spectrometic Observatory |
| HIRDLS | High Resolution Dynamics Limb Sounder |
| WTR | Western Test Range |
| IRAS | InfraRed Astronomical Satellite |
| IBSS | Infrared Background Signature Survey |
| QSO | Quasi-Stellar Object |
| RESTEC | Remote Sensing Technology Center |