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2 space rocks hours apart point up the danger

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CAPE CANAVERAL, Fla. (AP) — A space rock even bigger than the meteor that exploded like an atom bomb over Russia could drop out of the sky unannounced at any time and wreak havoc on a city. And Hollywood to the contrary, there isn't much the world's scientists and generals can do about it. But some former astronauts want to give the world a fighting chance. They're hopeful Friday's...