The South Pole Telescope (SPT) is a 10-meter diameter telescope located in Antarctica that is taking pictures of our Universe. Sasha Rahlin is an observational cosmologist and part of the team at Fermilab collecting and analyzing data from SPT. On this episode, Nate visits Fermilab to talk with Sasha about what they're photographing down at the South Pole. Learn more about SPT and the Cosmic Microwave Background : https://www.youtube.com/watch?v=YBJmY3bJdQ8 Music on this episode was written by Breakmaster Cyclinder and https://SoundsLikeAnEarful.com. Our theme song was written by Jeff, Dan and Theresa Brooks. Sound effects obtained from https://www.zapsplat.com and https://freesound.org.