Guest
What is nothing? Does nothing exist? Neil deGrasse Tyson and comedian Chuck Nice explore cosmological curiosities about the end of the universe, dark matter, and more! What happens in an expanding universe where galaxies get too far away from each other? Is there a way to survive a Big Rip? If matter only takes up 5 percent of the universe, are we the anomaly? We discuss the Copernican principle and whether we are special. Could we be in a cycling universe that expands and collapses or is expansion just a one way trip? Does dark matter interact with anything beside gravity? Could it be possible for humans to create a black hole in order to study it? How big would an Earth-mass black hole be? Why do galaxies in the universe form a sponge structure when everything else creates disks? Learn about the Coma Cluster and how it helped us discover dark matter. What would someone looking at us from 65 million light years see? What is nothing? We discuss the definition of nothing and whether we can wrap our heads around the concept. And finally, we explore The Matrix and whether our robot overlords could use humans as energy. Thanks to our Patrons Matej Dvonč, Robert Weaver, David Lindberg, Denis, Jesus Hernandez, and Jack Reeves for supporting us this week. NOTE: StarTalk Patrons can listen to this entire episode commercial-free. Get the NEW Cosmic Queries book (5/5 ⭐s on Amazon!): Support us on Patreon: FOLLOW or SUBSCRIBE to StarTalk: Twitter: Facebook: Instagram: 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 - Introduction 0:50 - If Expansion Beats Gravity… 6:19 - If Most of the Universe is Dark Energy & Dark Matter, Are We the Anomaly? 11:00 - Could the Universe Implode and Form Another Universe? 14:45 - Gravity Interacting with Dark Matter 18:58 - More Big Rip 21:53 - Could We Make a Black Hole in Order to Study It? 24:37 - The Fascinating Structure of Galaxy Clusters 28:37 - Is it Possible to See Our Past by Looking into Deep Space? 31:17 - What is Nothing? 37:27 - Could AI Use Humans for Fuel Like in The Matrix?
