How Kilonovas Made the Earth and Killed Alternate Gravity - Ask a Spaceman!
Channel: Dr. Paul M. Sutter
Date: 2021-08-18

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