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Planetary Radio

Journey to the Center of the Earth!

Airdate: Sunday, May 18, 2003
Running Time: 00:30:06
Listen: Windows Media | MP3

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?"

Guests

• David Stevenson, Caltech planetary scientist

Related Information

• David Stevenson's website
• History of the Gemini project