What does aphelion mean?
The point in the orbit of a celestial body at which it is farthest from the body it is orbiting. In the case of the Earth, this is the point in its orbit around the Sun that is farthest from the Sun.
Example
"The aphelion of Earth's orbit occurs around early July, when the planet is at its farthest point from the Sun."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.