What’s going on under the ice of Europa? What keeps it so warm down there? Are the oceans pure or have the right chemistry for life? I discuss these questions and more in today’s Ask a Spaceman!

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Big thanks to my top Patreon supporters this month: Justin Gealta, Jerry, Tim Feaver, Helge Bjorkhaug, Alan McClintock, Tim Rattray, Ray Sutter, MIchael Clanton, Bill Smith, Lars Hammer, David Ciaverella, Silvan Wespi, and David Berger!

Music by Jason Grady and Nick Bain.