Americans have had a fascination with Pluto since its discovery in 1930 by Clyde Tombaugh, with the name of the then-ninth planet lending itself to science, literature and pop culture. But Plutophiles got a crushing blow in 2006, when scientists reclassified it as a "dwarf planet" or "trans-Neptunian object." We learn the deep, dark and controversial history of this dark, icy one-time planet.
- Neil deGrasse Tyson, astrophysicist with the American Museum of Natural History, Frederick P. Rose Director of the Hayden Planetarium and author of Pluto Files: The Rise and Fall of America’s Favorite Planet
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