Meaning of apastron | Babel Free
æˈpæstɹ(ə)nDefinitions
The point of greatest separation between a celestial object and the star which it orbits.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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