| Acronym | Meaning |
| MLS | Microwave Limb Sounder |
| IGM | InterGalactic Medium |
| FEM | Flight-Engineering Model |
| MFV | Main Fuel Valve |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |
| SME | Solar Mesosphere Explorer |
| FFT | Fast Fourier Transform |
| UBM | Unpressurized Berthing Mechanism |
| APM | Atmospheric Particle Monitor |
| FUSE | Far Ultraviolet Spectroscopic Explorer |