| Acronym | Meaning |
 | IBSS | Infrared Background Signature Survey |
| UTC | Coordinated Universal Time |
| NSSDC | National Space Science Data Center |
| IGBP | International Geosphere/Biosphere Programme |
| EUV | Extreme UltraViolet |
| LDEF | Long Duration Exposure Facility |
| ASP | Astronomical Society Of The Pacific |
| NSF | National Science Foundation |
| MFV | Main Fuel Valve |
| FTS | Flight Telerobotic Servicer |
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