Q&A 67: Is Anywhere Else Perfectly Habitable? And More... Featuring Dr. Sabine Hossenfelder

In this week s questions show, I explain why we don t know of any perfectly habitable worlds in the galaxy. Why we don t know if the Universe is finite or infinite, and why we call it "micro gravity" and not "zero gravity". Lost in Math https://www.amazon.com/Lost-Math-Beauty-Physics-Astray/dp/0465094252 Sabine Hossenfelder http://backreaction.blogspot.com/ https://twitter.com/skdh Audio Podcast version: ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 RSS: https://www.universetoday.com/audio Video Podcast version: ITunes: https://itunes.apple.com/bh/podcast/universe-today-video/id794057165?mt=2 RSS: https://www.universetoday.com/video What Fraser s Watching Playlist: https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G Weekly email newsletter: https://www.universetoday.com/newsletter Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Like us on Facebook: https://www.facebook.com/universetoday Google+ - https://plus.google.com/+universetoday/ Instagram - http://instagram.com/universetoday Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw Chad Weber - weber.chad@gmail.com Chloe Cain - Instagram: @chloegwen2001