| Acronym | Meaning |
 | CHARA | Center For High Angular Resolution Astronomy |
| HRPT | High Resolution Picture Transmission |
| TDRSS | Tracking And Data Relay Satellite System |
| BH | Black Hole |
| MMS | Multi-mission Modular Spacecraft |
| UTC | Coordinated Universal Time |
| GDCLS | General Dynamics Commercial Launch Services |
| CASCA | Canadian Astronomical Society |
| ER | Eastern Range |
| IPS | Inertial Pointing System |
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