Photo: #This undated image taken by the Hubble telescope shows Pluto and its moons: Charon, Nix, and Hydra.
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This undated image taken by the Hubble telescope shows Pluto and its moons: Charon, Nix, and Hydra. (Photo by NASA via Getty Images)

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Cosmic quandaries

Broadcast: Midmorning, 01/30/2009, 9:06 a.m.
Broadcast: Midmorning, 02/27/2009, 9:06 a.m.

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A renowned astrophysicist explains the allure of Pluto, and the public outrage over its recent demotion from planet status.

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  • Neil deGrasse Tyson: Director of the Hayden Planetarium and has served on NASA's advisory council. His new book is "The Pluto Files: The Rise and Fall of America's Favorite Planet."

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