| Acronym | Meaning |
 | CEA | Center For EUV Astrophysics |
| MPEC | Multi-Purpose Experiment Canister |
| ELDO | European Launcher Development Organisation |
| MTC | Man Tended Capability |
| AFP | Air Force Program |
| COSTAR | Corrective Optics Space Telescope Axial Replacement |
| FITS | Flexible Image Transport System |
| RASC | Royal Astronomical Society Of Canada |
| GOMOS | Global Ozone Monitoring By Occultation Of Stars |
| IAPPP | International Amateur/Professional Photoelectric Photometry |
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