| Acronym | Meaning |
| ETM | Enhanced Thematic Mapper |
| CADH | Communications And Data Handling |
| IDA | International Dark-sky Association |
| GOX | Gaseous OXygen |
| WFPCII | Replacement For WFPC |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |
| RGB | Red Giant Branch |
| CIS | Commonwealth Of Independent States |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimter Experiment |
| ESPC | European Space Power Conference |