A crater is a hole in the land of a celestial object like a planet or moon caused by the impact of another celestial object. Even Earth has craters, like the one from the asteroids that caused the extinction of the dinosaurs, The Chicxulub Crater. The Moon, Luna, is full of craters, even man can see these craters with the naked eye, day and night. Craters are very impact to how the celestial object looks, moves, etc.
'Astronomy' page explores aspects of Astronomy, Philosophy, Spacelore and other topics about The Universe!