Is Mars Needing a Magnetosphere to Keep an Atmosphere?

We believe Mars may once have had oceans and sky, but lost them from a lack of a magnetosphere. How does this happen, and how can we create a magnetosphere for Mars so we can terraform and live on it? Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur International Space Development Conference Registration: https://isdc2022.nss.org Visit our Website: http://www.isaacarthur.net Support us on Patreon: https://www.patreon.com/IsaacArthur Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur Facebook Group: https://www.facebook.com/groups/1583992725237264/ Reddit: https://www.reddit.com/r/IsaacArthur/ Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content. SFIA Discord Server: https://discord.gg/53GAShE Credits: Making a Magnetosphere for Mars Science & Futurism with Isaac Arthur Episode 342, May 12, 2022 Written, Produced & Narrated by Isaac Arthur Editors: David McFarlane Cover Art: Jakub Grygier https://www.artstation.com/jakub_grygier Graphics: Jarred Eagley Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana Ken York of YD Visual https://www.facebook.com/YDVisual/ Sergio Botero https://www.artstation.com/sboterod?fref=gcJarred Eagley Stephen Huck The Ashdale Regiment Music by: Markus Junnikkala https://markusjunnikkala.com Stellardrone: https://stellardrone.bandcamp.com/ See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.