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Published online 26 November 1998 | Nature | doi:10.1038/news981126-1
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Shrapnel from a smoking gun
The world of the dinosaurs was brought to a shattering close by the impact of a 10-km-diameter comet or asteroid, around 65 million years ago. The impact, now usually identified with the large, buried crater of Chicxulub, on the Yucatan Peninsula of Mexico, released thousands of times more energy than the combined nuclear arsenals of all nations combined.
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