ABSTRACT
The point in the elliptical orbit of a planet or other object around the Sun at which it is farthest from the Sun. The Earth, for example, reaches aphelion in July, when it is just over 152 million km from the Sun.
The point in the elliptical orbit of a planet or other object around the Sun at which it is farthest from the Sun. The Earth, for example, reaches aphelion in July, when it is just over 152 million km from the Sun.