| Acronym | Meaning |
| FWHM | Full Width At Half Maximum |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| GRTLS | Glide RTLS |
| LASCO | Large Angle Spectrometric Coronograph |
| ESPC | European Space Power Conference |
| NSF | National Science Foundation |
| GPPF | Gravitational Plant Physiology Facility |
| CBR | Cosmic Background Radiation |
| RTG | Radioisotope Thermoelectric Generator |
| LMC | Large Magellanic Cloud |