| Acronym | Meaning |
| ASE | Advanced Space Engine |
| EJASA | Electronic Journal Of The Astronomical Society Of The Atlantic |
| WFPCII | Replacement For WFPC |
| AGE | Auxiliary Ground Equipment |
| VOIR | Venus Orbiting Imaging Radar |
| NRSC | National Remote Sensing Centre |
| JAEL | JSC Avionics Engineering Laboratory |
| IDL | Interactive Data Language |
| NSSDC | National Space Science Data Center |
| BH | Black Hole |