| Acronym | Meaning |
 | SEPAC | Space Experiments With Particle Accelerators |
| ZCG | Zeolite Crystal Growth |
| MARS | Series Of Soviet Mars Spacecraft |
| ACRIM | ACR Irradiance Monitor |
| MRO | Memory Read-Out |
| ATSR | Along Track Scanning Radiometer |
| HRMS | High Resolution Microwave Survey |
| AAVSO | American Association Of Variable Star Observers |
| HIRIS | High Resolution Imaging Spectrometer |
| APE | Auroral Photography Experiment |
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