periastron
See also: Periastron
English
Etymology
From Ancient Greek περί (perí) "around" + ἄστρον (ástron) "star".
Pronunciation
- IPA(key): /pɛɹɪˈæstɹən/
Noun
periastron (plural periastrons)
- (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.
Antonyms
Related terms
- periapsis
- pericenter
- pericynthion
- pericytherion
- perigalacticon
- perigee
- perihelion
- perijove
- perikron
- perilune
- perimelasma
- perinigricon
- periposeidon
- perisaturnium
- periselene
Anagrams
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