Is anything real? Is time just a construct? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen answer your far-out questions about black holes, dark matter, and the universe with astrophysicist Janna Levin. 

NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free here: https://www.startalkradio.net/show/cosmic-queries-stoner-edition-with-janna-levin/

Thanks to our Patrons Ivan Masjuk, c, Nathan Mitchell, Conner Kemmsies, Dustin Dewayne Hart, Kyle Reinsberg, Andrew Magri, Virginia Cohen, Cathleen Corrie, and David Claassen

for supporting us this week.

Photo Credit: Les Bossinas (Cortez III Service Corp.), Public domain, via Wikimedia Commons