Thread: asteroid 1000Km diameter hit the atmosphere
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Old 01-11-2009, 01:03 AM
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renormalised (Carl)
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What all this tells you is just how much energy is needed to be expended by an impacting body to do any serious damage to the planet itself, and by serious I mean to cause major changes to the body of the planet and/or its orbit/axial tilt etc.
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