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- October 4, 2010
- 12:35 AM
- 305 views
ET Impact Probably Didn’t Wipe Out Clovis
by cfeagans in A Hot Cup of Joe
In a paper published in PNAS in 2007[1], Firestone and others suggested that there was evidence that shows that the Younger Dryas period in the Northern Hemisphere was interrupted by a barrage of extraterrestrial comets at about 12.9 ka. This … Continue reading →... Read more »
Holliday, V., & Meltzer, D. (2010) The 12.9-ka ET Impact Hypothesis and North American Paleoindians. Current Anthropology, 51(5), 575-607. DOI: 10.1086/656015
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