| Acronym | Meaning |
| FFT | Fast Fourier Transform |
| AVHRR | Advanced Very High Resolution Radiometer |
| BATSE | Burst And Transient Source Experiment |
| ADFRF | Ames-Dryden Flight Research Facility |
| TOPEX | Ocean Topography Experiment |
| WD | White Dwarf |
| MMU | Manned Maneuvering Unit |
| AGN | Active Galactic Nucleus |
| IPAC | Infrared Processing & Analysis Center |
| CHARA | Center For High Angular Resolution Astronomy |