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Monday, August 21, 2017

Dino-killing asteroid could have thrust Earth into two years of darkness

http://ift.tt/eA8V8J Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds. This would have shut down photosynthesis, drastically cooled the planet, and contributed to the mass extinction that marked the end of the age of dinosaurs.

from Latest Science News -- ScienceDaily http://ift.tt/2fZg86H
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