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Impact melt products as evidence for cosmic airbursts/impacts 12,900 years ago
PNAS (Proceedings of the National Academy of Sciences USA) ^ | 10 July 2012 | Ted Bunch et al.

Posted on 07/14/2012 6:00:04 AM PDT by rjbemsha

This paper supports the proposal that fragments of an asteroid or comet impacted Earth, deposited silica-and iron-rich microspherules and other proxies across several continents, and triggered the Younger Dryas cooling episode 12,900 years ago.


TOPICS: News/Current Events
KEYWORDS: airburst; asteroidfragments; catastrophism; catostrophism; cosmicimpact; ggg; godsgravesglyphs; impact
The paper's results are consistent with cosmic ejecta, supporting the hypothesis of extraterrestrial airbursts/impacts 12,900 years ago. The wide geographic distribution of SLOs is consistent with multiple impactors.
1 posted on 07/14/2012 6:00:15 AM PDT by rjbemsha
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To: rjbemsha

overlapping depressions with raised rims scattered across the Atlantic Coastal Plain from New Jersey to Alabama

I never knew this hypothesis was out there. Thanks for posting.


2 posted on 07/14/2012 6:43:56 AM PDT by frithguild (You can call me Snippy the Anti-Freeper)
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To: rjbemsha

It would seem that potentially catastrophic strikes are more common than previously believed. We’ve been lucky the last 2,000 years.


3 posted on 07/14/2012 7:08:45 AM PDT by Mike Darancette (Obamaid has to go.)
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To: rjbemsha
Perhaps Obama shouldn't be taking the lead on battling space aliens. Instead, we should let them pelt us with large extraterrestrial objects to further cool the planet.

For the latest news on how the Obama campaign is ready to battle space aliens, see Poll May Lead to Campaign Strategy Shift.

4 posted on 07/14/2012 7:14:05 AM PDT by ProtectOurFreedom
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To: Mike Darancette

“It would seem that potentially catastrophic strikes are more common than previously believed. We’ve been lucky the last 2,000 years”

It might be that they happen more often, but not in places where they would be noticed. If the Tunguska 1908 hit took place in a populated area...it would have been “bad”. And maybe 70% of the Earth surface is water, and a lot of that is in the middle of nowhere (the South Pacific). Maybe some tsunamis of the past in that area were caused by comets or meteors.


5 posted on 07/14/2012 7:18:16 AM PDT by The Antiyuppie ("When small men cast long shadows, then it is very late in the day.")
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To: rjbemsha
very interesting article.
The science seems sound as I would expect anything appearing in the Proceedings of the National Academy of Sciences to be.
These impacts probably wiped out the Clovis people.
TWB
6 posted on 07/14/2012 7:45:29 AM PDT by TWhiteBear (Sarah Palin...The Flame of the North)
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To: rjbemsha

the neo-Velikovskians have been the object of ridicule and suppression for attempting to put this case for recent (historic times) celestial catastrophe before the mainstream scientific community during the past 20 years. Ancient mythology from around the world, in its essential form, has the story of the destruction of the Earth as its primary focus, with subsequent myth as a spin off of this actual event. Richard Firestone’s evidence makes this episode responsible for wiping out almost all life on the North American continent and the end of an ice age.

With all forms of archaeological dating based upon half-life radioactive decay, a yardstick that is now known to be modifiable in high energy plasma discharges, these events may one day be dated to a far more recent time, in the 4k - 5k year old bracket.

www.thunderbolts.info
http://sites.google.com/site/dragonstormproject/
www.holoscience.com
http://cosmictusk.com/clovis-population-decline-at-younger-dryas
http://www.knowledge.co.uk/sis/resource.htm


7 posted on 07/14/2012 9:42:12 AM PDT by Yollopoliuhqui
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To: Mike Darancette; TWhiteBear; frithguild

Histories report a few apparently catastrophic events that may have an airburst component. For example, Thomas Short reports the destruction of Antioch on 22 Oct 105. Part of his description reads: “...then came thunder and lightning, which made the night like noon-day; ... the sea raged and roared; then came an intolerable heat, that men stripped, and hid themselves underground; the sky dark, and the air so full of dust, that one could not see another....”

The date seems questionable to me; Short may have been copying a description of the “sudden fire all over Antioch” of Oct 525. Maybe his hand slipped and he wrote “October 105” instead of “October 525.”

Anyway, ancient histories do contain scattered reports that may describe local catastrophic events.


8 posted on 07/14/2012 6:32:58 PM PDT by rjbemsha
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The Cycle of Cosmic Catastrophes: Flood, Fire, and Famine in the History of Civilization
The Cycle of Cosmic Catastrophes:
Flood, Fire, and Famine
in the History of Civilization

by Richard Firestone,
Allen West, and
Simon Warwick-Smith


9 posted on 07/19/2012 6:15:31 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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Thanks ForGod'sSake for the link to this topic, and thanks rjbemsha for posting it. Additional:


10 posted on 07/19/2012 6:15:58 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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 GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach
Thanks ForGod'sSake for the link to this topic, and thanks rjbemsha for posting it. Additional: Just adding to the catalog, not sending a general distribution.

To all -- please ping me to other topics which are appropriate for the GGG list.


11 posted on 07/19/2012 6:16:04 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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From the FRchives:
12 posted on 07/19/2012 6:23:44 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/)
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