| Acronym | Meaning |
 | BMDO | Ballistic Missile Defense Office |
| UGC | Uppsala General Catalog |
| WIMP | Weakly Interacting Massive Particle |
| AIRS | Atmospheric Infrared Sounder |
| THIR | Temperature/Humidity Infrared Radiometer |
| GPPF | Gravitational Plant Physiology Facility |
| ESRO | European Space Research Organisation |
| AGN | Active Galactic Nucleus |
| CSM | Command And Service Module |
| INMARSAT | International Maritime Satellite |
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