| Acronym | Meaning |
 | OSC | Orbital Sciences Corporation |
| SPAN | Space Physics And Analysis Network |
| HRPT | High Resolution Picture Transmission |
| APJ | Astrophysical Journal |
| IKI | Institut Kosmischeskikh Issledovaniya |
| COMPTEL | COMPton TELescope |
| SAT | Synthetic Aperture Telescope |
| MOPITT | Measurements Of Pollution In The Troposphere |
| CPCG | Commercial Protein Crystal Growth |
| M | Messier |
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