NASA hopes Curiosity landing site is a Grand Canyon of Mars
Sunday, August 5, 2012 - 08:30
in Astronomy & Space
Gale Crater and its remarkable mountain weren't the first choice, but scientists now are excited about the geologic record they could reveal.In the spring of 1869, a geology professor who had lost an arm to a musket ball at the Battle of Shiloh led a tortuous journey down a canyon that had been etched into stone, a mile deep, by the unremitting force of the Colorado River.