Another Mars mystery: What's that circular 'island' in its lava flows?

December 7, 2014 9:41 PM

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Another Mars mystery: What's that circular 'island' in its lava flows?

Scientists are studying a fascinating image of an unusual circular formation on Mars and trying to work out how it got there.

Mars has a history of offering up unusual formations for humans to marvel at, speculate about and scratch their heads over. We've famously had the face on Mars (Elvis, is that you?) and more recently a jelly doughnut-shaped rock and an object vaguely shaped like a human femur bone. The latest find i...

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