Aphelion

Updated: Nov 30, 2020

Pronunciation: [ uh-fee-lee-uhn ]


Definition: noun

The point farthest from the sun in the path of an orbiting celestial body (such as a planet)

Origin: 1650; Greek


Etymology: alteration of modern Latin aphelium (by substitution of the Greek inflection -on ), from Greek aph' hēlion ‘from the sun'


Usage:



Synonyms:

  • point of apoapsis

  • apoapsis

Antonyms:

  • perihelion

Example: The satellite arrived at the aphelion—the farthest point from the sun.

#words #distance #planets

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