Planetary Radio • May 19, 2003

Journey to the Center of the Earth!

On This Episode

David Stevenson

Planetary scientist for Jet Propulsion Laboratory

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?'