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Journey to the Center of the Earth!

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Air Date: 05/19/2003
Run Time: 0:30:06

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California Institute of Technology planetary scientist David Stevenson has just published 'a modest proposal' for sending a probe to the Earth's core. Join us for a fascinating discussion of what we know and don't know about planetary and moon interiors. Emily Lakdawalla throws Earth rocks at our solar system neighbors, and Bruce is seeing double in this week's 'What's Up?'

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