| Acronym | Meaning |
 | IKI | Institut Kosmischeskikh Issledovaniya |
| AXAF | Advanced X-ray Astrophysics Facility |
| IMU | Inertial Measurement Unit |
| UPPP | Union Pour La Promotion De La Propulsion Photonique |
| SN | SuperNova |
| CRL | Communication Research Lab |
| KPM | Kometen |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| IAPPP | International Amateur/Professional Photoelectric Photometry |
| HR | Hertzsprung-Russell |
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