Peter and Brian discuss asteroids, multiverses, and how AI will impact the universe. Brian Keating is a renowned astrophysicist, cosmologist, inventor, and author. He is a professor at the University of California, San Diego and director of the Arthur C. Clarke Center for the Human Imagination. Keating's groundbreaking research on cosmic microwave background radiation has earned him prestigious awards, and his book "Losing the Nobel Prize" has received critical acclaim. Visit his website: https://briankeating.com/