Neil deGrasse Tyson: Asteroids, Apophis and Extinction

How big would an asteroid need to be to destroy life on Earth? How devastating would Apophis be if it hits the Pacific Ocean? Watch astrophysicist Neil deGrasse Tyson and comic co-host Chuck Nice describe the extinction of life on Earth in this Cosmic Query Behind the Scenes video. If you love StarTalk Radio, don't miss out on any StarTalk news. Sign up for our free newsletter: http://www.startalkradio.net/newsletter/youtube/

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Видео Neil deGrasse Tyson: Asteroids, Apophis and Extinction канала StarTalk