| Acronym | Meaning |
| TSUP | Tsentr Upravileniya Polyoti |
| APU | Auxiliary Power Unit |
| STSDAS | Space Telescope Science Data Analysis System |
| LH | Liquid Hydrogen |
| ECS | Environmental Control System |
| LLNL | Lawrence-Livermore National Laboratory |
| APT | Automatic Picture Transmission |
| HSP | High Speed Photometer |
| ISU | International Space University |
| EJASA | Electronic Journal Of The Astronomical Society Of The Atlantic |