The movie is being called one of the most realistic science fiction films ever, thanks to its visual effects and story line. It came in second at the U.S. box office with $50 million in ticket sales. Astrophysicist Neil deGrasse Tyson of the Hayden Planetarium in New York and the TV series "Cosmos" dissects the science behind the plot on "CBS This Morning." Find out which SciFi movie Tyson thinks is the best ever.
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