What is Planetshine?
[[File:Earthshine diagram.png|frame|right|This diagram shows how Planetshine works.]] [[File:Earthshine Karonen.jpg|right|thumb|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.]] The [[phenomenon]] known as '''planetshine''' happens when [[sunlight]] from a [[planet]] lights the dark side of one of its [[natural satellite|moons]]. The best known example of planetshine is '''Earthshine'''. {{science-stub}} [[Category:Moon]]