| Acronym | Meaning |
| ASE | Advanced Space Engine |
| LARC | Langley Research Center |
| MSU | Microwave Sounding Unit |
| FIRAS | Far InfraRed Absolute Spectrophotometer |
| FRF | Flight Readiness Firing |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| TOPS | Toward Other Planetary Systems |
| EOS | Earth Observing System |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |