Cosmic Queries – Before the Big Bang

What does it really mean for us to be made of stardust? Neil deGrasse Tyson and co-host Paul Mecurio answer fan questions about particle colliders, time travel, and what existed before the Big Bang.  NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:  https://startalkmedia.com/show/cosmic-queries-before-the-big-bang/ Thanks to our Patrons John 73, BrianSmiley, Brian Johnson, TIm, Klaus Wagner, Cynthia A Stevens, Valentijn van tongeren, Jmcarman23, J Gonzales, Kaden Brown, Sam Spencer, BSM1989, Caleb, Cristian Gonzalez, Stephen Davis, Stefan Jones, Walt Krutzfeldt, Hazel, Lukáš Mašek, Andrew, Craig Haagenson, Jessi, Taj Orndorff, Jacob Hernandez, Keith Thienpondt, Dusty Salyer-Elliott, Ignacio Karacsonyi, Bradley Foster, Melissa Forlini, Seth Lotstein, Hamid Pourkasraei, Linda, Ali Mojabi, and Mahmoud Hassan for supporting us this week. Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.