Thread: Kebira Crater
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Old 14-March-2006, 05:56 PM
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BA Blog: The Purloined Crater

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The raised rim is pretty clear once you see it. The impactor must have been huge, probably over a kilometer across. Anything within a thousand miles of the impact had a pretty bad day — I estimate the yield at roughly 200,000 megatons, though I might be off by a factor of two or three. For comparison the largest nuclear weapon ever detonated was about 60 megatons. The fireball would have been as hot as the surface of the Sun, and just the heat of impact would have wrought damage on an incomprehensible scale. Then the blast wave started expanding outward in a circle, and the real destruction would have begun…
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