| Acronym | Meaning |
| CCD | Charge-Coupled Device |
| MOC | Mars Observer Camera |
| DACS | DATA Acquisition And Control Subsystem |
| IR | InfraRed |
| USA/RC | Universities Space Automation/Robotics Consortium |
| APE | Auroral Photography Experiment |
| TTC | Telemetry |
| ISZ | Iskusstvenniy Sputnik Zemli |
| HCMM | Heat Capacity Mapping Mission |
| NS | Neutron Star |