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Spooky Asteroid Will Pass Eerily Close to Earth on Halloween
When Earth gets paid a visit, Earthlings appreciate some advance warning. Typically that’s a year or more, but NASA was only able to give three weeks’ notice in the case of asteroid 2015 TB145,
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USA vs USSR Fight! The Cold War: Crash Course World History #39
In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no … source
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