It's time for school! The Astro101 series will cover some of the most important questions in astronomy. In today's lesson, we'll have: What are the different kinds of stars? Why does classification in astronomy make no sense? How the heck do we define a "star", anyway? 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: Matthew K, Justin Z, Justin G, Kevin O, Duncan M, Corey D, Barbara K, Neuterdude, Robert M, Nate H, Andrew F, Chris L, Cameron L, Naila, Aaron S, Tom B, Scott M, Rob H, Tim R, Joe R, Neil P, Irene P, Matt C, Iothian53, Steve P, Debra S, Ken L, Alberto M, Ron W, Chris L, Mark R, Alan B, Stephen J, David P, John F, Maureen R, Frank T, Craig B, Jesse A, Steven L, Ulfert B, Dave L, Stace J, S Stark, Richard K, Carol S, Stephen M, Grace M, Jeremy K, Russell W, David B, Tamara F, Robert B, Fr Bruce W, Catherine R, Nicolai B, Sean M, Nate H, Edward K, Ped, Chuck C, Stephen S, Elizabeth W, Eric F, Tracy F, Callan R, George, Tom G, Tom, Sarah K, Jens O, Ella F, Sarah K, JJ_Holy, Ryan L, Cindy R, Sam R, Tom Van S, Thomas K, James C, Jorg D, Syamkumar M, John S, db8y97, Fred S, COTFM, Darren W, Norm Z, Howard A, Homer V, Kevin P, Robert H, Mark D, Ron S, David W, Brianna V, Becky L, Bruce A, Arthur, Bill H, Justin W, Colin B, Steven M, Richard S, Brent B, Bill E, Jim L, Tim Z, and Bill E! Music by Jason Grady and Nick Bain. Thanks to Cathy Rinella for editing. Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).

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