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Joy Cardin
from Wednesday, March 3, 2010 at 6:00 AM
In 2006, the planet Pluto was demoted to a "minor" planet, leaving us to wonder what to make of the schoolhouse phrase, “My Very Educated Mother Just Showed Us Nine Planets.” After six, Joy Cardin's guest astrophysicist takes us on a personal journey exploring the rise and fall of the planet Pluto, an American favorite. Guest: Neil deGrasse Tyson, Director, Hayden Planetarium, American Museum of Natural History , New York. Host, NOVA scienceNOW on PBS. The NOVA special, “The Pluto Files” airs on Wisconsin Public Television Tuesday at 7 p.m. and Wednesday at 11:00 p.m.

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