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Perihelion is the point in an object's orbit around the sun where it is closest to the sun.

Comes from greek peri- =near

Anahelion is the opposite--the point in an object's orbit around the sun where it is farthest from the sun.

Comes from greek ap--=away

The -helio part of each of these specifies that the object is orbiting around the sun. There are other words for orbiting different things.

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16y ago

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Is Pluto perihelion or aphelion?

Pluto's perihelion distance is about 4.4 billion kilometers, while its aphelion distance is about 7.4 billion kilometers from the Sun. So, Pluto is closer to the Sun at perihelion and farther away at aphelion.


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How long does it take the earth to move from perihelion to aphelion?

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Perihelion - Aphelion is when the Earth is furthest from the Sun.


Does a planet travel fastest at aphelion or perihelion?

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What is the name of the point in space where an object is closest to the sun?

That is perihelion. Furthest away is aphelion, pronounced ap-helion. For each planet, perihelion and aphelion are at opposite ends of the major axis of the elliptical orbit.


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