| Acronym | Meaning |
 | GSO | GeoSynchronous Earth Orbit |
| NRAO | National Radio Astronomy Observatory |
| MEV | Mars Excursion Vehicle |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| IAU | International Astronomical Union |
| CTIO | Cerro Tololo Interamerican Observatory |
| NGT | NASA Ground Terminal |
| MLP | Mobile Launch Platform |
| MJD | Modified Julian Date |
| CFPA | Center For Particle Astrophysics (Berkeley) |
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