In this episode we speak with Dr Philip R. Christensen, a geophysicist who is Regents Professor and the Ed and Helen Korrick Professor in the School of Earth and Space Exploration at Arizona State University. We discuss how to accelerate the pace of progress, whether there is life off earth in our solar system, and how he thinks about technological progress.

Don't forget to subscribe and leave a review to help others find the podcast. If you have feedback or ideas for future guests, please email us at multiplanetarysociety@gmail.com.