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perihelion
noun
Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
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Pronunciation
ˌpɛ.ɹɪˈhiː.lɪ.ən
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Definitions
noun
Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
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