| Acronym | Meaning |
| SWF | ShortWave Fading |
| WFPC | Wide Field/Planetary Camera |
| SIXA | Silicon X-ray Array |
| BAE | British Aerospace |
| SNR | Signal To Noise Ratio / SuperNova Remnant |
| ALAE | Atmospheric Lyman-Alpha Emissions |
| NERVA | Nuclear Engine For Rocket Vehicle Application |
| RGB | Red Giant Branch |
| UFO | Unidentified Flying Object |
| IUE | International Ultraviolet Explorer |