| Acronym | Meaning |
 | TRMM | Tropical Rainfall Measuring Mission |
| SPS | Solar Power Satellite |
| ROSAT | ROentgen Satellite |
| LRSI | Low-temperature Reusable Surface Insulation |
| MISR | Multiangle Imaging Spectro-Radiometer |
| KB | Construction Bureau |
| KPNO | Kitt Peak National Observatory |
| DRAO | Dominion Radio Astrophysical Observatory |
| TPS | Thermal Protection System |
| GDS | Great Dark Spot |
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