| Acronym | Meaning |
| NTT | New Technology Telescope |
| VAB | Vehicle Assembly Building |
| IAUC | IAU Circular |
| FFCC | Free-Flyer Control Centre |
| UVS | Ultraviolet Spectrometer |
| BMFT | Bundesministerium Fuer Forschung Und Technologie |
| PASS | Primary Avionics Software System |
| TSS | Targeted Search System / Tethered Satellite System |
| CLAES | Cryogenic Limb Array Etalon Spectrometer |
| UVPI | Ultraviolet Plume Instrument |