Neil deGrasse Tyson: Why Flying Saucers Can't Spin

Why do flying saucers spin in classic sci-fi movies? Watch astrophysicist Neil deGrasse Tyson use the laws of physics and the conservation of angular momentum to answer StarTalk Radio fan Steve Butler's Cosmic Query. Neil and comic co-host Eugene Mirman also discuss Frisbees and throwing up on carnival rides. It's a Behind the Scenes video you don't want to miss. It was shot during the recording of our episode, "Cosmic Queries: UFOs." If you'd like to listen to the full podcast, click here: http://www.startalkradio.net/show/cosmic-queries-ufos/

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