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Planetary RadioMarch 21, 2011

The Sloan Digital Sky Survey Captures the Universe

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Bob Nichol

Scientific Spokesperson, Sloan Digital Sky Survey

Bob Nichol is the Scientific Spokesperson for the most detailed study of the night sky in history. He'll tell us about this international project and how it continues to reveal the secrets of the cosmos. Emily Lakdawalla salutes the Messenger mission that has just put its spacecraft into orbit around Mercury. Bill Nye says there is yet another lesson we can learn from Venus as we attempt to protect our homeworld. Bruce Betts and Mat Kaplan want to give someone a Planetary Radio t-shirt in the new What's Up space trivia contest.

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