How does a perihelion differ from an aphelion?
1 Answer
Nov 19, 2015
The distance from its parent star.
Explanation:
Aphelion is the point where a planet is furthest from its parent star, and perihelion is the point where a planet is the closest to its parent star.
For example, the perihelion of Earth is 147.1 million km from the Sun, while its aphelion is 152.1 million km from the Sun.
