1) Apoapsis 2) Apoapsis in solar orbit 3) Orbital extreme 4) Point of apoapsis
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https://www.crosswordclues.com/clue/aphelion
The point on the Earth?s orbit where it is at greatest distance from the Sun
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http://jot101.com/2015/05/a-z-of-science-fiction-words/
is the point of orbit of a planet or comet which is farthest away from the sun.
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http://planetfacts.org/space-terms/
• (n.) That point of a planet`s or comet`s orbit which is most distant from the sun, the opposite point being the perihelion.
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http://thinkexist.com/dictionary/meaning/aphelion/
That point in a solar orbit which is farthest from the Sun.
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http://www.braeunig.us/space/glossary.htm
(from the article `Earth Perihelion and Aphelion, 2008`) ...the pericentre, or periapsis, and that farthest from it is the apocentre, or apoapsis. Specific terms can be used for individual bodies: if the ... [5 related articles]
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http://www.britannica.com/eb/a-z/a/87
The point in the orbit of a planet, or other object in the Solar System, which is furthest from the Sun.
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http://www.daviddarling.info/encyclopedia/A/aphelion.html
The point in its orbit where a planet is farthest from the Sun.
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http://www.encyclo.co.uk/local/20040
the time and point where a planet is furthest from the sun; see also perihelion.
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http://www.encyclo.co.uk/local/20417
The point at which an orbiting body is furthest from the Sun in its orbit.
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http://www.encyclo.co.uk/local/20448
Apoapsis in solar orbit.
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http://www.encyclo.co.uk/visitor-contributions.php
The point in an orbit around the Sun at which an object is at its greatest distance from the Sun (Opposite of perihelion)
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http://www.encyclo.co.uk/visitor-contributions.php
A·phel'ion noun ;
plural Aphelia [ Greek ... + ... sun.]
(Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the
perihelion .
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http://www.encyclo.co.uk/webster/A/101
The farthest point from the Sun in a planetary body's orbit.
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http://www.moonconnection.com/moon-glossary.phtml
It is the point in the Earth's orbit when it is farthest from the Sun (152.5 million kilometers). Aphelion occurs on the 3rd or 4th of July.
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http://www.physicalgeography.net/physgeoglos/a.html
The aphelion is the point at which an object travelling around the sun in an elliptical orbit is at its furthest from the sun.
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http://www.probertencyclopaedia.com/browse/AA1.HTM
The point in the orbit of a planet or other celestial body where it is farthest from the Sun.
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http://www.seasky.org/astronomy/astronomy-glossary.html
The point in its orbit where a planet is farthest from the Sun.
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http://www.solarviews.com/eng/terms.htm
[
n] - apoapsis in solar orbit
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http://www.webdictionary.co.uk/definition.php?query=aphelion
aphelion The point in the orbit of a celestial body; such as, a planet or comet that is at the greatest distance from the sun.
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http://www.wordinfo.info/words/index/info/view_unit/963/
The point in a planet's orbit furthest from the Sun (Helios is Greek for Sun). See also: Perihelion.
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https://www.encyclo.co.uk/local/20687
noun apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
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https://www.encyclo.co.uk/local/20974
Point at which an object, travelling in an elliptical orbit around the Sun, is at its farthest from the Sun. This is a solar-orbit apoapsis. The Earth is at its aphelion on 5 July
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https://www.encyclo.co.uk/local/21221
The point in an object's orbit around the Sun when it is furthest from the Sun.
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https://www.encyclo.co.uk/local/22784
the point in the orbit of a planet or a comet at which it is farthest from the sun. Cf. perihelion.
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https://www.infoplease.com/dictionary/aphelion
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