NASA's Curiosity rover has just stumbled upon the wildest rock formation ever. From objects shaped like fish backbones to ones that resemble traffic lights, Curiosity has given us plenty to marvel at. But now, the internet is exploding with excitement over the jaw-dropping images from Curiosity's mast camera. The current theory is that these unique ripples on the structure were formed after a whole lot of erosion, probably caused by the Martian winds.

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