| Acronym | Meaning |
 | M | Messier |
 | GR | General Relativity |
 | CREAM | Cosmic Radiation Effects And Activatiom Monitor |
 | DPM | Drop Physics Module |
 | DLR | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt |
 | MISR | Multiangle Imaging Spectro-Radiometer |
 | TSUP | Tsentr Upravileniya Polyoti |
 | ACTS | Advanced Communications Technology Satellite |
 | WIMP | Weakly Interacting Massive Particle |
 | FITS | Flexible Image Transport System |