What is the Green Comet? | Neil deGrasse Tyson Explains...

What is the green comet? Neil deGrasse Tyson and comedian Chuck Nice talk about the Oort Cloud comet passing by Earth for the first time since The Stone Age. What makes the green comet green? Learn about the outer objects in our solar system: The Kuiper Belt and The Oort Cloud. What is cyanogen and what is its relationship to Halley’s comet? We discuss sublimation, what makes the tail of a comet and whether this one will be visible to the naked eye. Get the NEW Cosmic Queries book (5/5 ⭐s on Amazon!): https://amzn.to/3dYIEQF Support us on Patreon: https://www.patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalk About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #neildegrassetyson 00:00 - The Green Comet 03:15 - Oort Cloud Comets 05:50 - Why is it Green? Halley’s Comet & Space Poison 10:44 - The Tail of the Comet 14:33 - Space Fossils