Astrophysicist and director of the American Museum of Natural History’s Hayden Planetarium Neil deGrasse Tyson looks at the fate of Pluto, which was long considered the ninth planet in our solar system until it was demoted to a "dwarf planet" in 2006. In The Pluto Files: The Rise and Fall of America’s Favorite Planet, he reconstructs Pluto’s origins, place in pop culture, and why its place in the pantheon of planets was revoked.
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