In the final segment of the movie, the contrast on the map is dialed up, so that we can see the tiny variations from place to place in the microwave sky. Since its discovery in 1965, the cosmic microw...In the final segment of the movie, the contrast on the map is dialed up, so that we can see the tiny variations from place to place in the microwave sky. Since its discovery in 1965, the cosmic microwave background (CMB) has provided some of the most important observational constraints for our theories of the nature and evolution of the Universe.
