Ep. 755: Intermediate Mass Black Holes

Astronomy Cast

Science, Astronomy, Natural Sciences, Space

4.8 • 3.4K Ratings

🗓️ 12 May 2025

⏱️ 32 minutes

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Summary

Astronomy Cast Ep. 755: Intermediate Mass Black Holes By Fraser Cain & Dr. Pamela Gay Streamed live on May 5, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. There are stellar-mass and supermassive black holes. But very little evidence of anything in between. Where are all the intermediate-mass black holes that should be the building blocks of the biggest ones? Actually, the science has been accelerating rapidly and we now know of hundreds of them. The question marks in our understanding are slowly getting replaced with data. Let's review what we now know about intermediate mass black holes and their origins. SUPPORTED BY YOU! This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

Transcript

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0:00.0	I'm
0:02.0	Oh Thank you. I'm going to Astronomycast Episode 755, intermediate mass black holes.
0:54.4	Welcome to Astronomycast, our weekly facts-based journey through the cosmos, where we help you understand not only what we know, but how we know what we know.
1:01.0	I'm Fraser Kane.
1:01.6	I'm the publisher of Universe Today with me, as always, is Dr. Pamela Gay, a senior scientist for the Planetary Science Institute and the director of CosmoQuest.
1:09.9	Hey, Pamela, how you doing?
1:10.9	I am happy to be doing astronomy cast.
1:15.3	As opposed to all of the other stuff that's going on right now. Yeah. Yeah, it's one of these things
1:20.8	where we try not to get too political on here. Yeah. But what is happening to funding the science in the United States?
1:30.2	Yeah.
1:30.9	Yeah.
1:31.2	I mean, I mean, for a lot of people who like watch Universe today and I talk to the people,
1:36.8	the fans and stuff, and they're like, oh, I really like that you're not very political,
1:39.7	Fraser.
1:40.7	And, and, and, and, but that's about, like, I'm going to have to report on a 25% proposed cut to NASA
1:47.1	cancellation of most of everybody's favorite science missions the probable cancellation of
1:53.4	the Artemis mission uh moon plans the uh 54% cut to the National Science Foundation, that includes, like, we don't know what the
2:05.7	implications are going to be, but, you know, things like, I don't know, Vera Rubin Telescope,
2:09.5	you know, there are all these incredible science projects that are in the works, and then
2:16.6	you layer on top of that, the cuts to the universities, you layer on top of that, the cuts to the
2:19.4	universities, you later on top of that, the cuts to, you know, all of the DEI cancellations
2:25.4	and cuts that are going on, as well as all of the people to administer this, as well as all
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