| Acronym | Meaning |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| IDA | International Dark-sky Association |
| IPAC | Infrared Processing & Analysis Center |
| PRTLS | Powered RTLS |
| EUVE | Extreme UltraViolet Explorer |
| ASTRO | Space Astrophysics Laboratory |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| NASM | National Air And Space Museum |
| DPSS | DATA Processing Services Subsystem |
| USML | United States Microgravity Laboratory |