Aphelion meaning

ə-fēlē-ən, ăp-hē-
The point on the orbit of a celestial body that is farthest from the sun.
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The point farthest from the sun in the orbit of a planet or comet, or of a man-made satellite in orbit around the sun.
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The point at which an orbiting body, such as a planet or comet, is farthest away from the Sun.
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(astronomy) The point in the elliptical orbit of a planet, comet, etc., where it is farthest from the sun.
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Origin of aphelion

  • From New Latin aphēlium Greek apo- apo- Greek hēlios sun sāwel- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Greek form of Latin aphelium, from Ancient Greek ἀπό (apo, “from”) + ἥλιος (hēlios, “sun”) (modelled after apogaeum). Compare perihelion.

    From Wiktionary