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| interplanetary escape; interplanetary flight | |||
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| interplanetary operation | |||
| interplanetary flight; interplanetary mission; interplanetary travel | |||
| interplanetary voyage | |||
| space flight | |||
| interplanetary (What was to have been a two-and-a-half-year interplanetary journey to retrieve a soil sample from Phobos will instead end over the weekend, according to Russian engineers. NYT Alexander Demidov) | |||
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| space travel | |||
| межпланетный полёт: 23 phrases in 6 subjects |
| Aerohydrodynamics | 2 |
| Astronautics | 15 |
| Makarov | 1 |
| Military | 1 |
| Missiles | 2 |
| Technology | 2 |