The gargantuan black holes at the centers of galaxies seem impossibly large. How did they grow so large in the short history of our Universe?
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
See omnystudio.com/listener for privacy information.

Fall equinox listener questions
19:36

Summer solstice listener questions
20:10

Spring equinox listener questions
20:41