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apoapsis

 
(¦ap·ō¦ap·səs)

(astronomy) The point in an orbit farthest from the center of attraction.


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The point in an orbit at which two objects are farthest apart. Special names, including apastron, aphelion, and apogee, are given to this orbital point for familiar systems.
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IN BRIEF: n. - (astronomy) the point in an orbit farthest from the body being orbited.

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Related topics:
Braille (in astronomy)
Apse line
A Broadband Imaging X-ray All-sky Survey

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