| http://www.w3.org/ns/prov#value | - th???s atmosphere from 2000 to 2013, data collected by the Comprehensive Nuclear Test Ban Treaty Organization shows.The explosions include the Feb. 15, 2013, impact over Chelyabinsk, Russia, which left more than 1,000 people injured by flying glass and debris.???There is a popular misconception that asteroid impacts are extraordinarily rare ??? that???s incorrect,??? said former astronaut Ed Lu, w
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