Neil deGrasse Tyson, co-host Chuck Nice, and astrophysicist and StarTalk geek-in-chief Charles Liu, PhD answer fan-submitted questions on gravity, asteroids, AI, spacetime, and more to celebrate the release of Charles’ new book “30-Second Universe.”

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Jim Brown, Christopher MacCay, Carlene Goodbody, Ernesto Chavez, Doug Sherman

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Cosmic Queries – The 30-Second Universe