periastron
See also: Periastron
English
editEtymology
editFrom Ancient Greek περί (perí, “around”) + ἄστρον (ástron, “star”).
Pronunciation
editNoun
editperiastron (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
editRelated terms
edit- see periapsis