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Skyfall: Meteorites strike Earth every few months

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BERLIN (AP) — A meteor exploded in the sky above Russia's Ural Mountains on Friday, causing a shockwave that blew out countless windows and injured more than a thousand people. Here's a look at those objects in the sky: ___ Q. What's the difference between a meteor and a meteorite? A. Meteors are pieces of space rock, usually from larger comets or asteroids, which enter the Earth's...