At roughly three minutes long, this animated video walks you through the evolution of the moon from its first formation 4.5 billion years ago, to its current state.
Evolution of the Moon
From year to year, the moon never seems to change. Craters and other formations appear to be permanent now, but the moon didn’t always look like this. Learn about how the moon evolved from its early state to how it looks today in this animation.
Source: NASA Multimedia; Goddard Space Flight Center
Image: From Evolution of the Moon Video; NASA