Concept
Aphelion
The farthest point in an orbit from the Sun.
Earth reaches aphelion in early July each year at about 152.1 million km from the Sun.
Overview
Earth reaches aphelion in early July each year at about 152.1 million km from the Sun.
See also
Apogee
The farthest point in an Earth-centred orbit.
Perihelion
The closest point in an orbit to the Sun.
Perigee
The closest point in an Earth-centred orbit.
Exoplanets
Worlds orbiting other stars.
Obliquity
The tilt of a planet's axis to its orbit.
Milankovitch Cycles
Slow orbital changes that drive Earth's ice ages.