| Acronym | Meaning |
| SNU | Solar Neutrino Units |
| FRSI | Flexible Reusable Surface Insulation |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |
| CDM | Cold Dark Matter |
| AGU | American Geophysical Union |
| DSN | Deep Space Network |
| ML | Mobile Launcher |
| GTO | Geostationary Transfer Orbit |
| FFCC | Free-Flyer Control Centre |
| ATM | Amateur Telescope Maker |