Moon: November 2012

"William 'Red' Whittaker often spends his Sundays lowering a robot into a recently blown up coal mine pit near his cattle ranch in Pennsylvania (see video). By 2015, he hopes that his robot, or something like it, will be rappelling down a much deeper hole, on the Moon. The hole was discovered three years ago when Japanese researchers published images from the satellite SELENE, but spacecraft orbiting the Moon have been unable to see into its shadowy recesses."

If you want to learn more about the history of Earth and other rocky planets in the solar system, craters are a great place to look. Now, thanks to LRO's LROC instrument, we can take a much closer look at Linn? Crater on the moon--a pristine crater that's great to use to compare with other craters.