Cosmic Queries – Understanding Infinity with Stephon Alexander

StarTalk Radio

Scientist, Nasa, Neil Degrasse Tyson, Climate Science, Earth Science, Nature, Astronomy, Science, Multiverse, Spacetime, Astrophysicist, Space, Education, Cosmos, Astronomer, Startalk, Quantum Physics, Physics, Universe, Astrophysics, Star Talk

4.6 • 14.9K Ratings

🗓️ 6 February 2026

⏱️ 46 minutes

🔗️ Recording | iTunes | RSS

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Summary

What is infinity? Neil deGrasse Tyson and comedian Negin Farsad explore whether we are in a finite universe, the issues with infinity, string theory, and more with theoretical physicist Stephon Alexander.

Transcript

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0:00.0	Hey, StarTalkins, Neil here.
0:03.1	You're about to listen to an episode specially drawn from our archives to serve your cosmic curiosities.
0:10.5	The archives run deep.
0:11.9	If you enjoy this, take a peek at the full catalog on your favorite podcast platform.
0:18.2	There's a lot there to tickle your geek underbelly. Check it out.
0:24.1	Welcome to StarTalk. Your place in the universe where science and pop culture collide.
0:32.8	StarTalk begins right now. This is StarTalk.
0:39.3	Neil deGrasse Tyson here, you're a personal astrophysicist.
0:42.3	We're doing another cosmic queries.
0:45.3	These have become fan favorites.
0:47.3	I guess I understand why because you get to participate.
0:50.3	Well, actually, if you're a Patreon member, you get to participate in asking those questions at the entry level of Patreon.
0:58.1	Today's topic, infinity, with my friend and fellow physicist, Stefan Alexander.
1:06.5	We'll get to him in a moment.
1:07.6	Let me introduce my co-host, Nagin Fassad, Nagine, it's been so long.
1:12.2	Hello.
1:13.5	Hello.
1:13.7	Yes, I'm your honorary astrophysicist comedian friend.
1:20.9	Everybody needs one of those, right?
1:22.9	Mine is any of the astrophysics, just to be clear.
1:26.7	I have none of that.
1:28.8	You are a host of the show Fake the Nation.
	...

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