| Acronym | Meaning |
 | MMT | Multiple Mirror Telescope |
| SSI | Solid-State Imager / Space Studies Institut |
| LTP | Lunar Transient Phenomenon |
| TES | Thermal Emission Spectrometer |
| EOSP | Earth Observing Scanning Polarimeter |
| LRSI | Low-temperature Reusable Surface Insulation |
| GAS | Get-Away Special |
| IOC | In-Orbit Checkout And Calibration |
| GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| RASC | Royal Astronomical Society Of Canada |
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