Full podcast episodes: http://www.askaspaceman.com/ Support: http://www.patreon.com/pmsutter Follow: http://www.twitter.com/PaulMattSutter and http://www.facebook.com/PaulMattSutter Part 2 of 2! How did the observation of a kilonova change astronomy? How did that one observation kill off alternate models of gravity? What’s in store for the future of gravitational waves? I discuss these questions and more in today’s Ask a Spaceman! Follow all the show updates at http://www.askaspaceman.com/, and help support the show at http://www.patreon.com/pmsutter! Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain. Chapters: 00:00 One Afternoon in 2017 04:11 What is a Kilonova 09:23 What Happens During a Kilonova Explosion 14:40 How One Measurement Killed Alternate Gravity 15:50 The Future of Multi-Messenger Astronomy Video credits: NASA, ESA, Planck, WMAP, Illustris