aphelion
/əˈfiːliən/
noun
- The point in the orbit of a planet, comet, or other object around the sun where it is farthest from the sun.
- Astronomers calculated the aphelion of the asteroid to understand its path through the solar system.
- The comet's aphelion is far beyond the orbit of Neptune.
- Earth reaches its aphelion in early July, when it is about 94.5 million miles from the sun.
Antonyms