| Acronym | Meaning |
 | VICAR | Graphics Format Used By JPL |
| AXAF | Advanced X-ray Astrophysics Facility |
| MARS | Series Of Soviet Mars Spacecraft |
| ETR | Eastern Test Range |
| DSO | Detailed Supplementary Objective |
| JERS | Japanese Earth Resources Satellite |
| GAS | Get-Away Special |
| SSPS | Sky Survey Prototype System |
| CFHT | Canada-France-Hawaii Telescope |
| GC | Galactic Center |
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