Topic ID #26709 - posted 2/1/2013 1:34 AM

Study Rebuts Hypothesis That Comet Attacks Ended 9,000-Year-Old Clovis Culture



Jennifer Palmer

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Study Rebuts Hypothesis That Comet Attacks Ended 9,000-Year-Old Clovis Culture

Jan. 30, 2013 — Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough and researchers from 14 academic institutions assert that other explanations must be found for the apparent disappearance.

"There's no plausible mechanism to get airbursts over an entire continent," said Boslough, a physicist. "For this and other reasons, we conclude that the impact hypothesis is, unfortunately, bogus."


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