| Acronym | Meaning |
| NGC | New General Catalog |
| LEST | Large Earth-based Solar Telescope |
| GMRT | Giant Meter-wave Radio Telescope |
| TOPS | Toward Other Planetary Systems |
| IMU | Inertial Measurement Unit |
| GST | Greenwich Sidereal Time |
| DDCU | DC-to-DC Converter Unit |
| DCCS | Dynamic Cell Culture System |
| VICAR | Graphics Format Used By JPL |
| OAO | Orbiting Astronomical Observatory |