Does time always move at the same rate? Neil deGrasse Tyson and Chuck Nice break down things you thought you knew about time dilation, gravity assists, the north star, and your zodiac sign.

Science, pop culture, and comedy collide on StarTalk Radio! Neil deGrasse Tyson, astrophysicist and Director of New York's Hayden Planetarium, and his comic co-hosts, guest celebrities, and scientific experts explore astronomy, physics, and everything else there is to know about life in the universe. New episodes premiere Tuesdays. Keep Looking Up! 

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