This isn’t really a counterargument to what he said. The limits of our observable universe is the CMB. It’s the beginning of the universe. The farther we see, the more redshifted it is, the farther in the past it is. Hot, dense, and redshifted is the CMB.
This isn’t really a counterargument to what he said. The limits of our observable universe is the CMB. It’s the beginning of the universe. The farther we see, the more redshifted it is, the farther in the past it is. Hot, dense, and redshifted is the CMB.