periastron

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See also: Periastron

English

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Etymology

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From Ancient Greek περί (perí, “around”) + ἄστρον (ástron, “star”).

Pronunciation

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  • IPA(key): /pɛɹɪˈæstɹən/

Noun

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periastron (plural periastrons or periastra)

  1. (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.

Antonyms

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Anagrams

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