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Oct. 16, 2009
Pluto Controversy: The Back Story
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Neil DeGrasse Tyson recounts the controversy about America's favorite former planet -- Pluto. He talks with Ira in the NPR studio in New York about the new rules for planetary status. En Español.
Radio segment produced by Annette Heist. Video produced by Shelley DuBois.
FEATURED READING
Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction
by Annalee Newitz
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