Aphelion
//əˈfiː.lɪ.ən//
"Aphelion" in a Sentence (3 examples)
The aphelion is the point where an object in orbit around the Sun is furthest from the Sun.
Mars is approaching aphelion, its farthest point from the Sun.
[I]t follows from the theory of gravity, that the aphelia of Mercury, Venus, the Earth, and Mars, slightly progress.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.