Evolution of the Moon by NASA

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. Thanks to NASA's Lunar Reconnaissance Orbiter, we now have a better look at some of the moon's history. Learn more in this video!

This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?10930