Uploaded June 2022 | Updated September 2026, 3 weeks ago

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Full podcast episodes: askaspaceman.com
Support: patreon.com/pmsutter
Follow: twitter.com/PaulMattSutter and facebook.com/PaulMattSutter

How big can a rocky planet get? Can a rocky planet turn into a gas giant? Why are some planets rocky and others gassy? I discuss these questions and more in today’s Ask a Spaceman!

Follow all the show updates at http://www.askaspaceman.com, and help support the show at patreon.com/pmsutter!

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

00:00 - Defining Habitability
02:22 - 1st Criteria: Thick Atmosphere, But Not Too Thick
08:53 - 2nd Criteria: In the Habitable Zone
09:56 - 3rd Criteria: Liquid Water
14:12 - 4th Criteria: Magnetic Field
16:42 - Revealing the Biggest Habitable Planet