How does the cosmic microwave background reveal the universe's early evolution?

[Leandro Souza]

"The cosmic microwave background radiation" is an electromagnetic radiation observed in all directions of the sky and presents a profile type black body with about 3 K temperature. The fact that this allows us to infer the conditions of evolution of matter with radiation of the universe?

 

[mathman]

Your question is somewhat unclear. It looks as if the answer is yes, but I suspect you are looking for more.

http://en.wikipedia.org/wiki/Cosmic_microwave_background_radiation