| Acronym | Meaning |
 | HRPT | High Resolution Picture Transmission |
| LPV | Long Period Variable |
| SOHO | SOlar Heliospheric Observatory |
| MACHO | MAssive Compact Halo Object |
| TPS | Thermal Protection System |
| RTLS | Return To Launch Site |
| TDT | Terrestrial Dynamic Time |
| CPCG | Commercial Protein Crystal Growth |
| AAS | American Astronautical Society |
| IOBM | In Ocean By Mistake |
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