reflected sunlight from a planet illuminating the night side of one of its natural satellites
(Redirected from Earthshine)

The phenomenon known as planetshine happens when sunlight from a planet lights the dark side of one of its moons. The best known example of planetshine is Earthshine.

This diagram shows how Planetshine works.
Earthshine reflecting off the Moon. The bright region is directly lit by the sun. The rest of the Moon is illuminated by light reflected off the Earth.