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Cosmic Rays Could Destroy--And Create--Life

Date:
July 13, 1998
Source:
American Society For Technion, Israel Institute Of Technology
Summary:
Jets of cosmic rays from colliding stars can produce lethal amounts of muons in the earth's atmosphere, destroy the ozone layer and radioactivate the environment. The three astrophysicists who first proposed that some of the earth's great extinctions were caused by such events now propose that the radiation produced would also cause mutations that create new species in surviving life.

NEW YORK, N.Y., and HAIFA, Israel, July 9, 1998 -- Jets of cosmic rays from colliding stars can produce lethal amounts of muons in the earth's atmosphere, destroy the ozone layer and radioactivate the environment. The three astrophysicists who first proposed that some of the earth's great extinctions were caused by such events -- Arnon Dar, Ari Laor, and Nir Shaviv from the Technion-Israel Institute of Technology -- now propose that the radiation produced would also cause mutations that create new species in surviving life. Their doom and creation theory is published in the June 29 Physical Review Letters.


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The above story is based on materials provided by American Society For Technion, Israel Institute Of Technology. Note: Materials may be edited for content and length.


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American Society For Technion, Israel Institute Of Technology. "Cosmic Rays Could Destroy--And Create--Life." ScienceDaily. ScienceDaily, 13 July 1998. <www.sciencedaily.com/releases/1998/07/980713074940.htm>.
American Society For Technion, Israel Institute Of Technology. (1998, July 13). Cosmic Rays Could Destroy--And Create--Life. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/1998/07/980713074940.htm
American Society For Technion, Israel Institute Of Technology. "Cosmic Rays Could Destroy--And Create--Life." ScienceDaily. www.sciencedaily.com/releases/1998/07/980713074940.htm (accessed April 20, 2014).

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