
Episode 185: Did a Supernova Cause a Mass Extinction?, with Brian Fields
Sep 28, 2020 - 41:51
Radio and PodcastLive Radio & Podcasts
Feature Guest: Sherry Suyu The Hubble constant, which measures the expansion rate of the cosmos, may not be a constant after all, and if that's true it means we're missing something big in our understanding of the univer...