| Acronym | Meaning |
| IAUC | IAU Circular |
| HALOE | Halogen Occultation Experiment |
| ATSR | Along Track Scanning Radiometer |
| EOS | Electrophoresis Operations In Space |
| SPTN | SPARTAN |
| DM | Dark Matter |
| SDI | Strategic Defense Initiative |
| OSSA | Office Of Space Science And Applications |
| CRRES | Combined Release/Radiation Effects Satellite |
| PEM | Particle Environment Monitor |