The Space Show hosts me and Dr. Ellen Stofan, my Planetology co-author, tonight for a conversation about the new book. Air time is at 7 PM Pacific, 9 PM central. You can listen at:
Thanks to David Livingston for setting up this opportunity. His show does a great job of treating space topics with depth and insight.

Sedimentary layers in Becquerel Crater illustrate climate cycles on Mars (image -- Mars Reconnaissance Orbiter, NASA)
A sample of the kind of fascinating images from across the solar system found in Planetology.
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