aphelion : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: aphelion	by the DICT Development Group
2 results for aphelion
From WordNet (r) 3.0 (2006) [wn]:
aphelion n apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun Antonym(s): perihelion
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Aphelion \A*phel"ion\ (?; 277), n.; pl. {Aphelia}. [Gr. [?] + [?] sun.] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.