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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

To celebrate shark week, Neil deGrasse Tyson, comic co-host Jordan Klepper, and shark scientist Jasmin Graham answer your fan-submitted Cosmic Queries about sharks – megalodons, shark attacks, the “science” of Sharknado, and more!

NOTE: StarTalk+ Patrons subscribers can watch or listen to this entire episode commercial-free here: https://www.startalkradio.net/show/cosmic-queries-sharks/

Thanks to our Patrons Yakov Goldberg, Sebastian Roser, Tomasz Lubomirski, Gilz Taboada, Britney Dejesus, Jeff Haynes, Tony Biell, and Stacy Brown for supporting us this week.

Photo Credit: Elias Levy / CC BY (https://creativecommons.org/licenses/by/2.0).