https://en.wikipedia.org/wiki/Cosmic_microwave_background
The accidental discovery of the CMB in 1965 by American radio astronomers Arno Penzias and Robert Wilson was the culmination of work initiated in the 1940s.
https://en.wikipedia.org/wiki/Cosmic_microwave_background
The accidental discovery of the CMB in 1965 by American radio astronomers Arno Penzias and Robert Wilson was the culmination of work initiated in the 1940s.
