Saturday, December 21, 2013

Lunar Grabens


Let's keep learning about the moon!

Another thing you can see on the moon looks like a big long ditch.

This is called a graben.

One of the grabens on the moon is called Rima Ariadaeus:
lunar grabens
(from: wikipedia - geology of the moon)


Kid Facts - Blast from the past: First Americans in space - Alan Shepard, John Glenn