AaS! 131: What's So Cool About the TRAPPIST-1 System?

Why is the TRAPPIST-1 system so fascinating? Is it really habitable? How are we figuring all this out? 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, Chris C, Robert M, Nate H, Andrew F, Chris L, Cameron L, Nalia, Aaron S, Kirk T, James H, Tim R, Joe R, Neil P, Bryan D, 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, Monika, Michael H, Tom, Sarah K, Robert S, Gerald, Jens O, Ella F, Sarah K, JJ_Holy, G Clune, Ryan L, Fenris N, Cindy R, Judy D, Sam R, Tom Van S, Bradley H, Thomas K, James C, Jorg D, Nicole M, Stu S, Syamkumar M, John S, db8y97, Fred S, Robin M, Marc S, COTFM, Dr. Johnny Fever, BikeSanta, Darren W, Vladimir Z, Norm Z, Howard, Keith W, Homer V, Kevin P, Robert H, Mark D, Sean P, Ron S, David W, Sheldon S, Tanner B, Antonio M, Brianna V, Becky L, Jim B, Bruce A, Kia K, Derek N, Arthur, Bill H, Justin W, Dave D, Colin B, David L, Steven M, and Richard S! 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).