| Acronym | Meaning |
 | ARC | Astrophysical Research Consortium |
| WSGT | White Sands Ground Terminal |
| NORAD | NORth American Aerospace Defense |
| NRSC | National Remote Sensing Centre |
| STSDAS | Space Telescope Science Data Analysis System |
| MMT | Multiple Mirror Telescope |
| ADS | Aitken Double Star Catalog |
| FITS | Flexible Image Transport System |
| COMPTEL | COMPton TELescope |
| IGY | International Geophysical Year |
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