| Acronym | Meaning |
| ALEXIS | Array Of Low Energy X-ray Imaging Sensors |
| NIMS | Near Infrared Mapping Spectrometer |
| SWAN | Solar Wind Anisotropy Experiment |
| OSCAR | Orbiting Satellite Carrying Amateur Radio |
| CMBR | Cosmic Microwave Background Radiation |
| VECO | Vernier Engine Cutoff |
| OGO | Orbiting Geosurvey Observatories |
| SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| LASCO | Large Angle Spectrometric Coronograph |
| RCI | Rodent Cage Interface |