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2017-06-25. Could Asteroids Bombard the Earth to Cause a Mass Extinction in 10 Million Years?

posted Jun 26, 2017, 9:37 PM by Alan Gould

By Sanna Alwmark, Matthias Meier, Scientific American. For GSS A Changing Cosmos chapter 1. Excerpt: Given the evidence that an asteroid triggered the dinosaur extinction, it makes sense to ask whether showers of asteroids could be to blame for regular extinction events....  https://www.scientificamerican.com/article/could-asteroids-bombard-the-earth-to-cause-a-mass-extinction-in-10-million-years/