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The perihelion is the point in the orbit of a celestial body where it is nearest to its orbital focus. ... "Aphelion" derives from the preposition "apo", meaning "away, off, apart". (The similar words "perigee" and "apogee" refer to the nearest and ...


The aphelion is the point in the orbit of an object where it is farthest from the Sun. ... The word aphelion derives from the Greek words, apo meaning away, off, ...


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


Sep 21, 2014 ... Define aphelion: the point farthest from the sun in the path of an orbiting celestial body (such as a planet)


Conversely, the Earth is farthest away from the Sun, at the aphelion point, 2 weeks after the June Solstice, when ... Since then, the Perihelion and Aphelion dates have drifted by a day every 58 years. ... Astronomy Glossary - Terms & definitions ...


Define aphelion. aphelion synonyms, aphelion pronunciation, aphelion translation, English dictionary definition of aphelion. aphelion n. pl. a·phe·li·a The point ...


Definition of aphelion - the point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun.


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


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 ...