| Acronym | Meaning |
 | HDE | Henry Draper Extension |
| EDO | Extended Duration Orbiter |
| VIB | Vertical Integration Building |
| BC | Bolometric Correction |
| FWHM | Full Width At Half Maximum |
| ENAP | Energetic Neutral Atom Precipitation |
| GEM | Graphite Epoxy Motor |
| MJD | Modified Julian Date |
| SNR | Signal To Noise Ratio / SuperNova Remnant |
| WSGT | White Sands Ground Terminal |
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