“A Comet Collision 13,000 Years Ago Causes Massive Extinctions - Associated Content” |
A Comet Collision 13,000 Years Ago Causes Massive Extinctions - Associated Content Posted: 27 May 2010 05:37 PM PDT Message from Five Filters: If you can, please donate to the full-text RSS service so we can continue developing it. The proposal for this happening comes from Bill Napier, an astronomer who works at Cardiff University in England. In 1982 Napier along with Victor Clube co-authored a book that is titled The Cosmic Serpent. In this book they suggest that the outer planets sometimes divert giant comets from their orbits allowing them to penetrate the inner solar system. They propose that one of these giant comets had entered the solar system 20,000 to 30,000 years ago that over thousands of years the giant comet broke up into a series of fragments. They developed a new theory based on this theoretical comet known as the theory of constant catastrophism where they claim we are living in a time of increased meteor impacts. The theoretical comet left behind it that power Taurid meteor shower along with the comet Encke and a whole collection of other debris's. In a new paper on display at www.arix.org that is to appear shortly in the monthly notices of the Royal astronomical Society in London. In this paper Napier explains that the real catastrophe was the Earth hitting a clump of debris that came from a comet that was 50 to 100 km in diameter. It has been theorized that running into thousands of fragments from this comet would've been just like running into the blast from a shotgun. It is felt by Napier that this is more likely to have happened than a single large collision. Even if this didn't happen 13,000 years ago there was a different kind of catastrophe that did occur than with the sudden drainage of a huge lake in Canada holding meltwater at the edge of the North American ice sheet. This lake at a cumulated as the glacier melted because it didn't have any place else to go. Whatever held this lake in place eventually broke down or melted causing a tremendous flood. For years geologists have looked in vain for evidence that this flood went down the St. Lawrence River Valley. A recent paper however shows that some 9500 km³ of water drained out through the Mackenzie River instead. Wallace Broeckner of the Lamont Doherty Earth Observatory in Palisades New York suggests that an Arctic release of this nature might have been an even better trigger for initiating the cold spell that happened over 13,000 years ago. References: Did an Exploding Comet cause Extinctions 13,000 Years Ago, Fraser Cain, Universe Today Did a Comet Swarm Strike America 13,000 Years Ago, Jeff Hecht, New Scientist, Mega-flood Triggered Cooling 13,000 Years Ago, Reuters, http://www.reuters.com/article/idUSTRE62U44D20100331 Five Filters featured article: Into the Abyss. Available tools: PDF Newspaper, Full Text RSS, Term Extraction. |
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