Arno Penzias
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Cosmic Microwave Background
FAS Astronomers Blog, Volume 32, Number 2. Just recently, it was reported in the news that Arno Penzias had passed away at the age of 90. Penzias, along with his colleague Robert Wilson, discovered the birth of the universe. In the 1940s, There wasn’t any direct evidence of the so-called Big Bang that many astronomers…