Power spectrum Definition and 52 Threads

Would the power spectrum of the CMB tell you whether the cosmological principle is correct? Ack, I was going to try to explain my reasoning, but it doesn't really count as reasoning. :redface: I guess I was wondering what the CMB power spectrum tells you. If it's complicated, nevermind; I'm...

From Kosmoi.com/Science/Cosmology/http://kosmoi.com/Science/Cosmology/Big_Bang/wiki.shtml "A critical further prediction was that the further away one looks, the hotter the universe should appear to be (as looking further away corresponds to looking backwards in time), and at some extremely...