Ohio also has a large, ancient meteor crater in the southern part of the state.
Posted on 02/02/2022 3:34:53 PM PST by BenLurkin
Researchers from the University of Cincinnati have found evidence of a cosmic cataclysm 1,500 years that may be responsible for the downfall of the Hopewell Culture. The Hopewell Culture was a widely dispersed set of pre-Columbian Native American populations connected by a common network of trade routes from 100 BC to AD 500 in the Middle Woodland period.
The researchers found evidence of a cosmic airburst at 11 Hopewell archaeological sites in three states stretching across the Ohio River Valley in the United States, which rained debris down into the Earth’s atmosphere creating a fiery explosion around 1,500 years ago based on radiocarbon and typological dating.
The airburst affected an area bigger than New Jersey, setting fires across 9,200 square miles between the years AD 252 and 383. This coincides with a period when 69 near-Earth comets were observed and documented by Chinese astronomers and witnessed by Native Americans as told through their oral histories.
UC’s Advanced Materials Characterisation Centre conducted scanning electron microscopy and energy dispersive spectrometry of the sediment samples. Inductively coupled plasma mass spectrometry was employed at the University of Georgia’s Centre for Applied Isotope Studies. The U.S. Geological Survey provided stable carbon isotope analysis.
(Excerpt) Read more at heritagedaily.com ...
Our modern knowledge of the Hopewell culture is limited because of the widespread destruction of the mounds during the 18th and 19th centuries to make way for farms, forts, etc.
Much of what was left, was collected by the Smithsonian, and much of that had never been studied or displayed, remaining in storage crates somewhere.
Ohio also has a large, ancient meteor crater in the southern part of the state.
“....cosmic airburst ....”
That makes no sense !
Let me clarify. Advanced in astronomy, trading routes and organization.
This topic was posted , thanks BenLurkin! I missed this one going by somehow, my apologies! Nice twofer!
And what color are comets?
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