Planetary Radio • Aug 22, 2005

A Tour of the Solar System With Bill Hartmann

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On This Episode

William Hartmann

Planetary scientist, author, and artist

The world renown artist, author and planetary scientist talks about the beautiful, just-published third edition of The Grand Tour--A Traveler's Guide to the Solar System. Emily Lakdawalla is spinning her Martian wheels in this week's Q&A segment. And Bruce Betts has an amphibian in his throat and planets in the sky on What's Up."