| Acronym | Meaning |
 | ERS | Environmental Research Satellite |
| SCT | Schmidt-Cassegrain Telescope |
| VS | SNGVooruzhennikh Sil SNG |
| OTFE | Oscillatory Thermocapillary Flow Experiment |
| DCX | Delta Clipper EXperimental |
| HDE | Henry Draper Extension |
| SDSS | Sloan Digital Sky Survey |
| SPARTAN | Shuttle Pointed Autonomous Research Tool For Astronomy |
| ISO | Imaging Spectrometic Observatory |
| ENAC | Energetic Neutral Atom Camera |
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