| Acronym | Meaning |
| XUV | Extreme Ultraviolet |
| HD | Henry Draper Catalog Entry |
| PEM | Particle Environment Monitor |
| FAST | Fast Auroral SnapshoT Explorer |
| VLBA | Very Long Baseline Array |
| GIF | Graphics Interchange Format |
| KSC | Kennedy Space Center |
| UVPI | Ultraviolet Plume Instrument |
| IRAF | Image Reduction And Analysis Facility |
| DSO | Detailed Supplementary Objective |