Neil deGrasse Tyson on the New “Cosmos” and Why Science Trumps Faith

Astrophysicist Neil deGrasse Tyson joins Bill Moyers to discuss the new show "Cosmos: A Spacetime Odyssey," an updated version of the hit PBS television series which made Carl Sagan a household name. They explore a variety of topics, including the nature of an expanding, accelerating universe (and how it might end), the difference between “dark energy” and “dark matter,” the concept of God in cosmology and why science matters. Part two and part three of the discussion can be viewed here and here.

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