Professor Chris Impey and I talk about habitable planets, Drake's equation, and Chris' book, "Worlds Without End"
University of Arizona Astronomy professor Chris Impey and I talk about his book, "Worlds Without End: Exoplanets, Habitability, and the Future of Humanity". This is a fun episode because I get to geek out and ask all of the questions I've had about space and life on other planets that I want. Come back next week to hear us talk about "Wonderful Life" by Stephen Jay Gould. World's W