periastron
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