Remember the meteor that exploded over Michigan in January. One very special piece of it is being studied deep in the bowels of Chicago's Field Museum.The reason the fragment, which is the size of a peach pit, is so special, is scientists believe it's uncontaminated.

"These rocks haven't seen much heating since they formed, so they are essentially a frozen piece of the earliest materials that formed in the solar system." - Professor Philipp Heck, via WLS-TV, Chicago

An Arizona-based meteor hunter flew to Michigan right after the blast and donated it to the museum for further study. It was found on the ice of a small lake in Hamburg, Michigan.

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