| Acronym | Meaning |
 | DEC | Declination |
 | VRM | Venus Radar Mapper |
 | AMSR | Advanced Microwave Sounding Radiometer |
 | GHRS | Goddard High Resolution Spectrograph |
 | UT | Universal Time |
 | HERA | Hermes Robotic Arm |
 | JEM | Japanese Experiment Module |
 | FAST | Fast Auroral SnapshoT Explorer |
 | SEST | Swedish ESO Submillimeter Telescope |
 | CFC | ChloroFluoroCarbon |