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Neil deGrasse Tyson, astrophysicist with the American Museum of Natural History and author of the book The Pluto Files: The Rise and Fall of America's Favorite Planet, talks about the reboot of the show originally hosted by Carl Sagan, and takes your questions about astrophysics and news from the universe.

In WNYC Studio 2: @neiltyson! Call in to ask him anything about space and more 212-433-9692 pic.twitter.com/v8j3ZjN9nd

— Brian Lehrer Show (@BrianLehrer) March 10, 2014