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Author Dava Sobel's New Book About Copernicus: A More Perfect Heaven

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Air Date: 12/05/2011
Run Time: 0:28:50

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Author and historian Dava Sobel returns to talk about her new fascinating book, A More Perfect Heaven -- How Copernicus Revolutionized the Cosmos. Bill Nye laments the probable loss of Russia's Phobos-Grunt spacecraft. What's Up with Bruce Betts and Mat Kaplan is a real slap in the head this week, and includes a new space trivia contest. Emily Lakdawalla returns next week.

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