| Acronym | Meaning |
 | ACTS | Advanced Communications Technology Satellite |
| PDS | Planetary Data System |
| ESPC | European Space Power Conference |
| SLF | Shuttle Landing Facility |
| BNSC | British National Space Centre |
| ISO | International Standards Organization |
| ISZ | Iskusstvenniy Sputnik Zemli |
| SR | Special Relativity |
| RTG | Radioisotope Thermoelectric Generator |
| AU | Astronomical Unit |
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