| Acronym | Meaning |
 | ATLAS | Atmospheric Laboratory For Applications And Science |
| NPOE | NPO Energiya |
| TCS | Thermal Control System |
| IR | InfraRed |
| EDRS | European Data Relay Satellite |
| HUT | Hopkins Ultraviolet Telescope |
| UT | Universal Time |
| YSO | Young Stellar Object |
| CMB | Cosmic Microwave Background |
| ARISTOTELES | Applications And Research Involving Space Technologies Observing The Earth's Field From Low Earth Orbiting Satellite |
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