AMA | September 2024

9272.694 - 9292.214 Sean Carroll

All the matter, all the particles and antiparticles that existed back then were bumping into each other. So we think that all the other galaxies that we're looking at today are matter. The whole universe that we see is just more matter than antimatter. Brent Meeker says, my friend and I are having an argument about black hole Hawking radiation and Unruh radiation. I'm just glad to hear that.