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Old 07-10-2021, 10:37   #17
Carth
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Join Date: Jul 2004
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Re: Nasa to crash spacecraft into asteroid in 'Armageddon' test of defences

They don't really need to be 'big' to cause widespread damage/devastation, they just have to hit - or explode over - the wrong place.

Something half the size of the Tunguska one would cause a bit of a splash in the ocean, but hitting New York, London, Tokyo . . or a Nuclear power station . . or a critical point on the California fault line . . or kick starting Yellowstone etc.

It wouldn't kill us off, but the far reaching consequences aren't good.
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