| Acronym | Meaning |
 | SSCE | Solid Surface Combustion Experiment |
| IAUC | IAU Circular |
| REM | Rat Enclosure Module |
| CSM | Command And Service Module |
| COBE | COsmic Background Explorer |
| DIRBE | Diffuse Infrared Background Experiment |
| ADS | Astrophysical Data System (at Havard-Smithsonian CfA) |
| VLBA | Very Long Baseline Array |
| MOLA | Mars Observer Laser Altimeter |
| NRAO | National Radio Astronomy Observatory |
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