Part 2 of What is the cosmic microwave background? What causes those bumps and wiggles? What does it tell us about the early universe, and the universe we have today? What does the universe have to do with a tuba? 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 Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/c/PaulMattSutter 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: Justin Gealta, Jerry, Tim Feaver, Helge Bjorkhaug, Alan McClintock, Tim Rattray, Ray Sutter, MIchael Clanton, Bill Smith, Lars Hammer, David Ciaverella, Silvan Wespi, and David Berger! Music by Jason Grady and Nick Bain.