Mysterious Mars rock looks like 'jelly doughnut,' defies explanation
Wednesday, January 22, 2014 - 11:00
in Astronomy & Space
A mystery rock on Mars that suddenly appeared in front of NASA's Opportunity rover may look like a tasty doughnut, but it is like nothing ever seen on the Martian surface before.The strange Mars rock was spotted by Opportunity on Jan. 8 in a spot where, 13 days earlier, there was nothing.