bn:00004872n
Noun Concept
EN
aphelion  apsis  perihelion and aphelion
EN
Apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun WordNet 3.0
Definitions
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EN
Apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun WordNet 3.0 & Open English WordNet
The point in the elliptical orbit of a planet or comet etc where it is farthest to the sun OmegaWiki
The point in the elliptical orbit of a planet, comet, etc., where it is farthest from the Sun. Wiktionary
The point in the elliptical orbit of a planet where it is farthest from the Sun. Wiktionary (translation)
Either of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary
OmegaWiki