Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang. When around 1916 Einstein first used general relativity to build a cosmic model, he followed the ...
114, No. 791 (January 2002), pp. 83-97 (15 pages) ABSTRACT Design and performance details are given for the Cosmic Background Imager (CBI), an interferometer array that is measuring the power spectrum ...