periastron
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See also: Periastron
English
[edit]Etymology
[edit]From Ancient Greek περί (perí, “around”) + ἄστρον (ástron, “star”).
Pronunciation
[edit]Noun
[edit]periastron (plural periastrons or periastra)
- (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.
Antonyms
[edit]Related terms
[edit]- see periapsis