AaS! 36: What is the Cosmic Microwave Background? (Part 1)

What is the cosmic microwave background? How was it discovered? What did it have to do with the great debate between Big Bang theory and the Steady State model? 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!  Music by Jason Grady and Nick Bain.