The Cosmic Microwave Background
¥Cosmic Microwave
Background (CMB) is an ÒechoÓ of the Big
Bang.
¥Small
anisotropies (less than 1 part in 100000) in CMB can be analyzed to learn about very early universe.
¥In theory, we can just
point our radio telescopes at the sky and measure the
CMB.
The COBE map of the universe.
Angular
power spectrum of the CMB