| Acronym | Meaning |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |
| NRSC | National Remote Sensing Centre |
| CMBR | Cosmic Microwave Background Radiation |
| IKI | Institut Kosmischeskikh Issledovaniya |
| MITI | Ministry Of International Trade And Industry |
| GHRS | Goddard High Resolution Spectrograph |
| CXBR | Cosmic X-ray Background Radiation |
| SSRMS | Space Station Remote Manipulator System |
| ETM | Enhanced Thematic Mapper |
| PC | ParseC (usu. Pc) |