| Acronym | Meaning |
| TCM | Trajectory Control Maneuver |
| GBT | Green Bank Telescope |
| LH | Liquid Hydrogen |
| SEDS | Students For The Exploration And Development Of Space |
| SPH | Smoothed-Particle Hydrodynamics |
| TKSC | Tsukuba Space Center |
| HB | Horizontal Branch |
| SCT | Schmidt-Cassegrain Telescope |
| HEAO | High Energy Astronomical Observatory |
| BAE | British Aerospace |