AaS! 247: How Can We Get Giant Black Holes in the Early Universe?
Ask a Spaceman!6 Maj 2025

AaS! 247: How Can We Get Giant Black Holes in the Early Universe?

How do we explain the giant black holes appearing in the young universe? Is it possible to directly collapse a black hole, skipping the formation of stars? What does ultraviolet radiation have to do with this? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter
All episodes: http://www.AskASpaceman.com
Watch on YouTube: http://www.youtube.com/PaulMSutter
Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Michael J, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, Deborah A, and Barbara C!

Hosted by Paul M. Sutter.

Avsnitt(272)

AaS! 258: What's Going to Happen After the ISS?

AaS! 258: What's Going to Happen After the ISS?

Why did we develop the International Space Station in the first place? What have we learned in its 25+ years of operation? When is it coming down, and why? And what's coming up next? I discuss these q...

21 Okt 202532min

AaS! 257: How Does One Go About Smashing Particles?

AaS! 257: How Does One Go About Smashing Particles?

How do particle colliders work? What kinds of energies are we talking about? Are there any uses for colliders except for physics experiments? I discuss these questions and more in today's Ask a Spacem...

7 Okt 202527min

AaS! 256: What Can Gravitational Waves Teach Us About the Big Bang?

AaS! 256: What Can Gravitational Waves Teach Us About the Big Bang?

What are some sources of gravitational waves that aren't black holes? How did inflation create gravitational waves? How can we possibly detect them? I discuss these questions and more in today's Ask a...

23 Sep 202534min

AaS! 255: How Do the Biggest Stars Get So Big?

AaS! 255: How Do the Biggest Stars Get So Big?

How do we measure the sizes of stars? What are the biggest ones today, and how big could stars have gotten in the past? Is there any way for a star to cheat and get even bigger? I discuss these questi...

9 Sep 202531min

AaS! 254: How Do Variable Stars, You Know, Vary?

AaS! 254: How Do Variable Stars, You Know, Vary?

What powers Cepheid variable stars? What about Mira variables and pulsating stars? And are there variable stars that don't actually vary at all? I discuss these questions and more in today's Ask a Spa...

19 Aug 202525min

AaS! 253: What Does Outer Space Sound Like?

AaS! 253: What Does Outer Space Sound Like?

What would the Sun sound like if we could hear it? Does any noise at all happen in the universe? What's the biggest sound of all? I discuss these questions and more in today's Ask a Spaceman! Support ...

5 Aug 202531min

AaS! 252: Why Can't We Get Free Energy from the Vacuum?

AaS! 252: Why Can't We Get Free Energy from the Vacuum?

Why does the vacuum of spacetime have energy? How much energy does it have? What prevents us from using it to do anything useful? I discuss these questions and more in today's Ask a Spaceman! Support ...

22 Juli 202534min

AaS! 251: Are the Cosmic Voids Really Empty?

AaS! 251: Are the Cosmic Voids Really Empty?

How do we actually define voids? Are there regions within them that are truly empty? What would it be like to be inside one? I discuss these questions and more in today's Ask a Spaceman! Support the s...

8 Juli 202530min

Populärt inom Vetenskap

p3-dystopia
dumma-manniskor
svd-nyhetsartiklar
allt-du-velat-veta
pojkmottagningen
kapitalet-en-podd-om-ekonomi
det-morka-psyket
dumforklarat
rss-vetenskapsradion-2
halsorevolutionen
rss-vetenskapsradion
rss-ufo-bortom-rimligt-tvivel
rss-spraket
rss-experimentet
sexet
medicinvetarna
vetenskapsradion
paranormalt-med-caroline-giertz
4health-med-anna-sparre
rss-broccolipodden-en-podcast-som-inte-handlar-om-broccoli