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Perihelion and aphelion - Wikipedia

en.wikipedia.org/wiki/Perihelion_and_aphelion

The perihelion is the point in the orbit of a celestial body where it is nearest to its orbital focus, generally a star. It is the opposite of aphelion, which is the point in the orbit where the cel...

Aphelion | Define Aphelion at Dictionary.com

www.dictionary.com/browse/aphelion

Aphelion definition, Astronomy. the point in the orbit of a planet or a comet at which it is farthest from the sun. See more.

Aphelion | Definition of Aphelion by Merriam-Webster

www.merriam-webster.com/dictionary/aphelion

the point in the path of a celestial body (as a planet) that is farthest from the sun — compare perihelion. See aphelion defined for kids. See words that rhyme with  ...

aphelion - definition of aphelion in English | Oxford Dictionaries

en.oxforddictionaries.com/definition/aphelion

the point in the orbit of a planet, asteroid, or comet at... Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.

Perihelion and Aphelion - Windows to the Universe

www.windows2universe.org/physical_science/physics/mechanics/orbit/perihelion_aphelion.html

Dec 14, 2005 ... The closest point to the Sun in a planet's orbit is called perihelion. The furthest point is called aphelion. Notice how the planet moves fastest at ...

aphelion - Dictionary Definition : Vocabulary.com

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apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun.

Aphelion - definition of aphelion by The Free Dictionary

www.thefreedictionary.com/aphelion

a·phe·li·on n. pl. a·phe·li·a (-lē-ə). The point on the orbit of a celestial body that is farthest from the sun. [From New Latin aphēlium : Greek apo-, apo- + Greek ...

Aphelion dictionary definition | aphelion defined - YourDictionary

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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. Origin of aphelion. ModL, altered (as if Gr) by ...

aphelion (n.) - Online Etymology Dictionary

www.etymonline.com/index.php?term=aphelion

aphelion (n.) Look up aphelion at Dictionary.com: "point farthest from the sun" (of a celestial body's orbit), 1670s, a Grecianized form of Modern Latin aphelium, ...

Perihelion, Aphelion and the Solstices - Timeanddate.com

www.timeanddate.com/astronomy/perihelion-aphelion-solstice.html

The Earth is closest to the Sun – at its Perihelion – about two weeks after the December Solstice and farthest from the Sun – at its Aphelion – about two weeks  ...

Answers
a·phe·li·on
[uh-fee-lee-uhn, uh-feel-yuhn, ap-hee-lee-uhn]
NOUN [PLURAL A·PHE·LI·A]
1.
Astronomy. the point in the orbit of a planet or a comet at which it is farthest from the sun.
Source: Dictionary.com
aphelion | Define aphelion at Dictionary.com
dictionary.reference.com/browse/aphelion
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