Cosmic Queries – Silicon Aliens with David Grinspoon

Can there be life on planets without magnetic fields? Neil deGrasse Tyson and comedian Chuck Nice discuss exoplanets, extraterrestrials, and answer extraordinary questions from our fans with astrobiologist, David Grinspoon. NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: https://startalkmedia.com/show/cosmic-queries-silicon-aliens-with-david-grinspoon/Thanks to our Patrons el EC Podcast, neutronforce, Jim Crutcher, S Mokry, and Sly Sparkane for supporting us this week.Photo Credit: NASA/Goddard/Francis Reddy, Public domain, via Wikimedia Commons Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early.Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.