AaS! 244: What’s the Most Important Wavelength in All Astronomy? 4m4m27

What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us...

What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe? I discuss these questions and more in today’s Ask a Spaceman!
the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on X: https://x.com/PaulMattSutter Read a book: http://www.pmsutter/book
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 ers 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, Toho Warrior, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, 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, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!
Hosted by Paul M. Sutter.

AaS! 245: What Made the Moon? 2 meses 25:14 AaS! 246: What is Stephen Hawking’s Legacy? 1 mes 37:19 AaS! 247: How Can We Get Giant Black Holes in the Early Universe? 30 días 28:44 AaS! 248: What’s Going on Inside Neutron Stars? 16 días 32:57 AaS! 249: Where Do the Constants of Nature Come From? Part 1 2 días 38:11 Ver más en APP Comentarios del episodio 2y2r1t