Asteroid and comet impacts could have created refuges for early - TopicsExpress



          

Asteroid and comet impacts could have created refuges for early life on Earth, protecting the first microorganisms from the sun’s harsh rays when the planet still lacked an ozone shield. “Most people associate impacts with the extinction of the dinosaurs, but they can also be beneficial to life,” said Gordon Osinski, a geologist at the University of Western Ontario in London, Canada. physicsbuzz.physicscentral/2014/07/impact-craters-may-have-cradled-life-on.html
Posted on: Mon, 14 Jul 2014 14:00:01 +0000

Trending Topics



Recently Viewed Topics




© 2015