Ep. 7: What’s Keeping the Stars Apart | Crash Course Pods: The Universe #7

In this episode, Katie Mack and John Green discuss the wonder keeping the stars apart... dark energy. Head to https://policygenius.com/crashcourse to get your free life insurance quotes and see how much you could save. This show is a production of Complexly. If you want to help keep Crash Course free for everyone, forever, you can join our community on Patreon at http://www.patreon.com/crashcourse Chapters 0:00 - Introduction 1:25 - Reviewing our Timeline 6:05 - Reviewing Redshift & Introducing the Hubble Tension 19:14 - Cosmic Noon & Galactic Archaeology 32:30 - The Universe's Rate of Expansion 40:29 - Dark Energy & The Cosmological Constant 55:58 - Poetry in the Astrophysics Podcast 58:07 - Outro *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Emily Beazley, Brandon Thomas, Forrest Langseth, oranjeez, Rie Ohta, Jack Hart, UwU, Leah H., David Fanska, Andrew Woods, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Krystle Young, Burt Humburg, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett Nuzum, Les Aker, William McGraw, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, kelsey warren, Katie Dean, Stephen McCandless, Wai Jack Sin, Ian Dundore, Caleb Weeks, Vaso __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids


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