| Acronym | Meaning |
 | ATSR | Along Track Scanning Radiometer |
| SAIL | Shuttle Avionics Integration Laboratory |
| DAO | Dominion Astrophysical Observatory |
| AFPRO | Air Force Plan Representative Office |
| GCVS | General Catalog Of Variable Stars |
| OSTP | Office Of Science And Technology Policy |
| LY | Light Year (usu. Ly) |
| HERA | Hermes Robotic Arm |
| AJ | Astronomical Journal |
| VIB | Vertical Integration Building |
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