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On the next episode of Star Talk, it's a cosmic queries edition with Chuck Nice and David Grinspoon. Is carbon-based life the only kind of life that can exist? Might we be missing something? And if we do find life, is there a protocol? Also, what would an Earth-like planet that sustained life be like if it had no atmosphere? And will Earth ever become Venus? With a runaway greenhouse that's nearly a thousand degrees Fahrenheit on this nextepisode of Star Talk.

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

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