Meanings
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1
noun
the point in the orbit of a planet, comet, or other body at which it is farthest from the Sun
Earth reaches aphelion in early July, when it is farthest from the Sun.
Thesaurus
Synonyms
1
noun
· the point in the orbit of a...
solar apoapsis
Opposites
Word family
Etymology
From New Latin aphelium, built from Ancient Greek apo- ("away from") + helios ("sun"), with the ending later remodeled as -ion by analogy with other astronomical apsides. It is the solar-orbit counterpart of perihelion.