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Big deal, it's a shiny rock. We've got those here on Earth. Now, look at a photo taken of the same area 12 days earlier:

NASA

That shiny rock wasn't there two weeks prior. Scientists are baffled by the rock's composition -- it contains high amounts of sulfur, magnesium, and manganese, something they claim they've never seen before on the surface of Mars. Of course, all of this takes a back seat to the more pressing question: Who the hell put that rock there? Did it grow legs and crawl like the moon rocks in Apollo 18?