| Acronym | Meaning |
 | LASCO | Large Angle Spectrometric Coronograph |
| NGT | NASA Ground Terminal |
| GPPF | Gravitational Plant Physiology Facility |
| FAP | Freedom Attached Payloads |
| FTS | Flight Telerobotic Servicer |
| TSS | Targeted Search System / Tethered Satellite System |
| MSU | Microwave Sounding Unit |
| E | Elliptical (for Galaxies) |
| MODIS-N | MODIS-Nadir |
| BH | Black Hole |
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