Mysterious Mars Rock Looks Like ‘Jelly Donut,’ Defies Explanation

Strange stuff on Mars.

Mysterious Mars Rock Looks Like ‘Jelly Donut,’ Defies Explanation (Photos)

A mystery Mars rock in front of the Opportunity rover may look like a ‘jelly donut,’ but it is far stranger than anything ever seen on the Martian surface, scientists say.

Source: www.space.com/24356-mars-rock-mystery-opportunity-rover-photos.html