Dave Spencer

Jul. 27, 2007

Mars Rovers Battle Storms On The Red Planet

In this segment, guest host Joe Palca checks in on the Mars rovers, and gets a preview of the Mars Phoenix mission.

mars, planet, space, astronomy, phoenix, rovers

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Michael Pollan Talks Plants and Food

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Comet Science

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Mystery Box

Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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