Trailer: The Universe with John Green and Dr. Katie Mack

Crash Course Pods: The Universe - A podcast by Crash Course Pods, Complexly

Categories:

Join Dr. Katie Mack, a theoretical astrophysicist, and #1 New York Times bestselling author John Green as they walk through the history of the entire universe - including the parts that haven’t been written yet. The Universe debuts on April 24th.