Two gorges on the Moon that are deeper than the Grand Canyon were carved out in less than 10 minutes ... River gradually eroded through the rock. Using data from Nasa’s robotic Lunar ...

(AP) — New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair ... in size to Arizona’s Grand Canyon in barely 10 minutes.

James Hutton, Scottish rock man - right. Okay, armed with that information, we can join physicist, Michio Kaku and his pal, Dr Dave Thayer, looking at how the Grand Canyon was carved out of rock ...