| Acronym | Meaning |
 | UVS | Ultraviolet Spectrometer |
| SPTN | SPARTAN |
| MMT | Multiple Mirror Telescope |
| HH | Hitchhiker |
| NIST | National Institute For Standards And Technology |
| CG | Center Of Gravity |
| GRO | Gamma Ray Observatory |
| TOPS | Toward Other Planetary Systems |
| CITA | Canadian Institute For Theoretical Astrophysics |
| GRU | Glavnoye Razvedivatel'noye Upravileniye |
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