| Acronym | Meaning |
| SIRTF | Space InfraRed Telescope Facility |
| RME | Radiation Monitoring Experiment |
| FRR | Flight-Readiness Review |
| LMC | Large Magellanic Cloud |
| GMRT | Giant Meter-wave Radio Telescope |
| LPO | La Palma Observatory |
| RHC | Rotational Hand Controller |
| LLNL | Lawrence-Livermore National Laboratory |
| IDA | International Dark-sky Association |
| SLAP | Space Link Access Protocol |