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Close calls for the earth

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#16    frogfish



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Posted 11 October 2006 - 10:58 PM


How big does a rock have to be to be an asteroid?

It could be the size of a grain of sand to the size of Manhattan, but the key is that it hits the earth and doesn't get burned up in the atmosphere...The earth is constantly being hit by asteroids...I think it's safe to say that within the next month, an asteroid will hit somewhere...

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