A mysterious Martian rock appeared in front of the Opportunity rover within days has baffled scientists. A photo taken on Sol 3540 (January 8th, or the 3,540th Martian solar day since the Opportunity rover landed) shows a rock that wasn’t visible in previous photos taken on Sol 3536. What’s puzzling is that nothing around the mysterious rock has moved at all, which throws out the wind storm theory. Continue reading for a video and more information.

According to The Daily Mail: “Astronomers at the Jet Propulsion Laboratory in California, who maintain the rover camera database for Nasa, have named the ‘doughnut-sized’ rock Pinnacle Island. The discovery was revealed by Mars Exploration Rover lead scientist Steve Squyres in a ’10 years of roving Mars’ keynote at Nasa’s Jet Propulsion Laboratory last night.”


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