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May 31st, 2013

Giant asteroid and its moon set to fly by Earth

According to NASA scientists, a 1.7-mile-wide asteroid approaching Earth along with its own 2,000-foot moon is the same size as the one that wiped out the dinosaurs millennia ago. Fortunately, the colossal rocks will keep a safe distance when they swing past at 4:59 p.m. ET today.

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