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aphelion
[ uh-fee-lee-uhn, uh-feel-yuhn, ap-hee-lee-uhn ]
noun
- Astronomy. the point in the orbit of a planet or a comet at which it is farthest from the sun.
aphelion
/ əˈfiː-; æpˈhiːlɪən /
noun
- the point in its orbit when a planet or comet is at its greatest distance from the sun Compare perihelion
aphelion
/ ə-ŧ′ŧ-ə /
- The point at which an orbiting body, such as a planet or comet, is farthest away from the Sun.
- Compare apogee
Derived Forms
- ˈ, adjective
Other yvlog Forms
- ·l· adjective
yvlog History and Origins
yvlog History and Origins
Origin of aphelion1
Compare Meanings
How does aphelion compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
The exact distances of Earth’s perihelion and aphelion change a bit from year to year because of the gravitational influence of the other planets, as well as that of the moon.
This eclipse will occur three weeks after the Earth has arrived at aphelion, the farthest point in the planet’s orbit from the sun, when the Earth’s umbral shadow appears largest in angular size.
On Friday, Earth will swing toward the outermost point in its orbit, known as aphelion.
Instead it is probably near aphelion—the outermost sweep of its orbit, where it moves the slowest and thus spends most of its time.
Earth reaches aphelion July 3, the most distant spot on its imperfect, annual orbit around the sun.
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