| Acronym | Meaning |
 | STC | Stennis Test Center |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimter Experiment |
| TES | Thermal Emission Spectrometer |
| ZCG | Zeolite Crystal Growth |
| LEM | Lunar Excursion Module |
| E | Elliptical (for Galaxies) |
| VIB | Vertical Integration Building |
| MOLA | Mars Observer Laser Altimeter |
| SSME | Space Shuttle Main Engine |
| CM | Central Meridian |
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