| Acronym | Meaning |
| MACHO | MAssive Compact Halo Object |
| FITS | Flexible Image Transport System |
| ERBE | Earth Radiation Budget Experiment |
| AAVSO | American Association Of Variable Star Observers |
| UVS | Ultraviolet Spectrometer |
| AAO | Anglo-Australian Observatory |
| MEV | Mars Excursion Vehicle |
| HUT | Hopkins Ultraviolet Telescope |
| ISEP | Isolated/Stabilized Exercise Platform |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |