View Full Version : Has the Moon Changed Its Face?

2009-Jan-23, 12:10 AM
The moon's "near side" always faces Earth, because the moon spins once on its axis in precisely the same amount of time it takes to revolve around the Earth. But things could have been different billions of years ago. A computer analysis of the amount of craters on the different hemispheres of the [...]

More... (http://www.universetoday.com/2009/01/22/has-the-moon-changed-its-face/)

2009-Jan-26, 11:05 AM
Wouldn't such an impact also "distort" the shape of the moon (granted at a billion years timeline evidence might be in short supply).