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may 20, 1964 - Cosmic microwave background radiation (CMB)

Description:

"American radio astronomers Robert Wilson and Arno Penzias discovered" CMB. https://www.space.com/25945-cosmic-microwave-background-discovery-50th-anniversary.html

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Theories Timeline Assignment

ByBen CLIFFORD
19 Nov 2019
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Date:

may 20, 1964
Now
~ 61 years ago
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