BabelNet

bn:00061593n

Noun Concept

perihelion aphelion perihelion and aphelion

Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun WordNet 3.0

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Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun WordNet 3.0 & Open English WordNet

The point in the elliptical orbit of a planet or comet etc where it is nearest to the sun. OmegaWiki

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WordNet 3.0 & Open English WordNet

perihelion

Wikidata

aphelion, perihelion and aphelion

OmegaWiki

perihelion