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Oct. 08, 2010
Planetary Sciences Update
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| Why is Mars the size it is? Theory says it should be a lot bigger. Find out about that and other research into the planets as we take you inside the American Astronomical Society's Planetary Sciences meeting. It's going on this week in California -- we'll get some highlights. |
Produced by Christopher Intagliata, Associate Senior Producer
Guests
-
Ron Cowen
Astronomy Writer, Science News
Washington DC
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