What’s at the center of the earth?: Crash Course Geology #4

The crust and the mantle are cool, but Earth’s real hero is its core, which helps protect us from all kinds of stuff. In this episode of Crash Course Geology, we’ll take a journey to the center of the Earth to meet our hero, the core. Introduction: A Cold War Mystery 00:00 Discovering the Core 0:47 The Magnetosphere 3:54 Solar Events 5:38 Shifting Magnetic Poles 7:43 Review & Credits 8:58 Sources: https://docs.google.com/document/d/1R... Check out our CC Geology Extracurricular Playlist here:    • Geology Extra Curricular   *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever!   / 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: Katrix , Elizabeth LaBelle, Dalton Williams, Shruti S, Kevin Knupp, Michael Maher, Chelsea S, SpaceRangerWes, Johnathan Williams, Jennifer Wiggins-Lyndall, Toni Miles, Evan Nelson, Chuck Smith, Stephen Akuffo, Reed Spilmann, Martin G. Diller, Matthew Fredericksen, Quinn Harden, UwU, Mike Cumings, Jr., Brandon Thomas, David Fanska, Barbara Pettersen, Mitch Gresko, DexcilaDou, Ken Davidian, Andrew Woods, Gina Mancuso, AThirstyPhilosopher ., NassauLinda, Jason Terpstra, Leah H., oranjeez, Allison Wood, Emily Beazley, Roger Harms, Rie Ohta, Nathan Taylor, Siobhán, Triad Terrace, Jennifer Killen, Joseph Ruf, Trevin Beattie, ClareG, Indija-ka Siriwardena, Emily T, Kristina D Knight, Alex Hackman, Jason Buster, Rizwan Kassim, team dorsey, Pietro Gagliardi, John Lee, Barrett, Bernardo Garza, Scott Harrison, Laurel Stevens, Thomas, Kyle & Katherine Callahan, Breanna Bosso, Alan Bridgeman, Ian Dundore, Ken Penttinen, Erminio Di Lodovico, Constance Urist, Samantha, Perry Joyce, Tanner Hedrick, Steve Segreto, Stephen McCandless, Eric Koslow, Evol Hong, Duncan W Moore IV, Sarah & Nathan Catchings, Tandy Ratliff, Matt Curls, Katie Dean, Wai Jack Sin, Jason Rostoker, Krystle Young, Les Aker, Caleb Weeks, Luke Sluder __ Want to find Crash Course elsewhere on the internet? Instagram -   / thecrashcourse   Facebook -   / youtubecrashcourse   Bluesky - https://bsky.app/profile/thecrashcour... CC Kids:    / crashcoursekids