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StarTalk Radio

Solving the Crisis in Cosmology with Wendy Freedman

StarTalk Radio

StarTalk Radio

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

4.614.1K Ratings

🗓️ 23 September 2025

⏱️ 50 minutes

🧾️ Download transcript

Summary

Can we resolve the crisis in cosmology? Neil deGrasse Tyson and co-host Matt Kirshen take on Hubble Tension, the difference between the estimated ages of the universe, and how to solve it with legendary astronomer Wendy Freedman.

Transcript

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0:00.0

So Matt, we do every now and then have to check in on the universe.

0:03.0

We do. How's it doing, Neil?

0:05.0

You know, it has issues. You know, there's a crisis, a family crisis with the galaxy.

0:10.0

I hate when crises happen. Can we resolve it? Is there any way to resolve it?

0:13.0

Maybe. I think we did, actually, coming up on StarTalk.

0:18.0

Welcome to StarTalk.

0:22.3

Your place in the universe where science and pop culture collide.

0:28.4

StarTalk begins right now.

0:33.3

This is StarTalk.

0:35.5

Neil deGrasse Tyson, your personal astrophysicist. Today I've've got as my co-host, Matt, welcome back. Thank you, Neil. It's nice to be back. We caught up with you. You're on a cruise. Man, you comedians go every, you got the cushiest jobs. I don't know if it's cushy. It's cushy to be on a cruise, I think. Telling jokes on a cruise, that's a little more work.

0:54.9

But yeah, we were chatting about this last time.

0:56.7

I'm on a boat right now, and then I'm on a big land tour. I'm touring with Sarah Milliken, who's a great UK comic. And then off the back of that, I'm doing some headline shows of my own in clubs. So maccushion.com, you can stalk me. If you go to MacChertycom, you can find everywhere.

1:09.8

We'll stop you there.

1:10.5

All right.

1:11.0

Well, take us on a boat next time.

1:13.4

Absolutely.

1:14.2

This piece. stalk me. If you go to MacCurgeon.com, you can find everywhere. We'll stock you there. All right. Well, take us on a boat next time. Absolutely. There's space in this tiny cabin. And you're also a host of probably science. Did I finally get that right? You did. You did. I feel like you've always known the title. I feel like... I haven't been on in like eight years, so I'm waiting for my call. We are talking to your people right now, because let's get.

1:32.8

Well, today we're going back into the universe, deep into the universe.

1:38.8

And, you know, the theorists who run around think they know what's going on,

1:41.9

but they have to ultimately answer to the observer,

1:45.9

who's getting the actual data.

1:48.1

And we have someone back on StarTalk, who was here just two years ago.

...

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