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/

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