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 Spaceman! Support the show: <a href= "http://www.patreon.com/pmsutter">http://www.patreon.com/pmsutter</a> All episodes: <a href= "http://www.AskASpaceman.com">http://www.AskASpaceman.com</a> Watch on YouTube: <a href= "http://www.youtube.com/PaulMSutter">http://www.youtube.com/PaulMSutter</a> Read a book: <a href= "http://www.pmsutter/book">https://www.pmsutter.com/books</a> 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, Lisa R, Kevin B, Michael B, Aileen G, Don T, Steven W, Deborah A, Michael J, Phillip L, 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, 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 C, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Chris, Michael S, Erlend A, James D, Larry D, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, Barbara C, Brad, and Azra K! Hosted by <a href="https://pmsutter.com">Paul M. Sutter</a>.

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

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