Earthly Explanation: NASA Solves Mystery of Martian 'Jelly Doughnut'
Friday, February 14, 2014 - 17:41
in Astronomy & Space
Scientists have solved the mystery of the "jelly doughnut" rock on Mars that appeared to come out of nowhere.NASA said Friday that a wheel of the rover Opportunity broke it off a larger rock and then kicked it into the field of view.