What are the Northern Lights , Neil de Grasse Tyson

What are the Northern Lights On this explainer, Neil deGrasse Tyson and Chuck Nice discuss Earths magnetism and the aurora borealis. What makes the poles light up at night Will Earths poles flip We discuss Earths precession (wobble), bob, and flip. Learn about the magnetic poles. Does your compass actually point to the magnetic north pole Are the north pole and the magnetic north pole the same thing Why do we even have a magnetic field Discover Earths molten core, creating a dynamo, and why dead planets like Mars dont have one. How often do Earths magnetic poles flip Find out what magnets and aurora borealis have to do with each other. Will something bad happen if the poles do flip Get the NEW Cosmic Queries book (5, 5 s on Amazon ): Support us on Patreon: FOLLOW or SUBSCRIBE to StarTalk: Twitter: Facebook: Instagram: ht