| Acronym | Meaning |
| GBT | Green Bank Telescope |
| STS | Shuttle Transport System / Space Transportation System |
| IKI | Institut Kosmischeskikh Issledovaniya |
| RHC | Rotational Hand Controller |
| ADS | Aitken Double Star Catalog |
| NOAA | National Oceanic And Atmospheric Administration |
| CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |
| LSR | Local Standard Of Rest |
| SR | Special Relativity |
| VLBI | Very Long Baseline Interferometry |