UM-Bot Posted July 31, 2017 #1 Share Posted July 31, 2017 (IP: Staff) · An asteroid due to pass the Earth in October is to become a target for a planetary defense exercise. http://www.unexplained-mysteries.com/news/310136/asteroid-flyby-to-help-test-planetary-defense 1 Top Link to comment Share on other sites More sharing options...
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