Exploring Alternate Universes and Black Hole Dynamics

Neil deGrasse Tyson, co-host Harrison Greenbaum, and astrophysicist Janna Levin answer questions on the far away and the far out, including Andromeda's impending collision with the Milky Way, white holes, a holographic universe, and more. Prepare to get trippy!

NOTE:  StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-out-there/

(Originally released February 15, 2019)

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