There are topics you might think you understand, but, do you really? Neil deGrasse Tyson and comic co-host Chuck Nice investigate the differences between mass, weight, and density, why ice floats, and how much you would weigh in space.

Things You Thought You Knew

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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Will Neil take back what he said about Pluto? Neil deGrasse Tyson and comedian Chuck Nice explore planets, dwarf planets, and the Kuiper belt with planetary scientist and principal investigator for the New Horizons Mission, Alan Stern.

Debating Pluto's Planethood with Alan Stern

How is new tech helping protect the rainforest? Neil deGrasse Tyson and comedian Chuck Nice learn how space technology is helping uncover illegal gold mines and protecting the Amazon, with illegal mining expert Larissa Rodrigues and Earth researcher Jennifer Holm.

Eyes in the Sky with Larissa Rodrigues & Jennifer Holm

Are black holes places or objects? Neil deGrasse Tyson and cohosts Chuck Nice and Gary O’Reilly answer grab-bag questions about distorting spacetime, Olbers’ Paradox, singularities, the shape of the universe, and more with astrophysicist Charles Liu.

Cosmic Queries – Black Hole Time Cloak with Charles Liu

What is the Sun’s ecliptic? Neil deGrasse Tyson and comedian Chuck Nice break down the things you thought you knew about spheres in the universe, navigating the sky, and taking spacecraft out of orbit.

Things You Thought You Knew – The Geometric Universe

What can we learn from eclipses? Janna Levin joined by comedian Matt Kirshen and professor of astronomy and astrophysics at Columbia University, Joe Patterson, discuss the 2017 eclipse, binary star systems, supernovae and more. What is an eclipse on Jupiter like?

Things You Thought You Knew

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