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26/04/1933 American physicist Arno Penzias is born

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Arno Penzias & Robert Wilson from BBC movie "Hawking" (2004)

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Cosmic Origins clip: Arno Penzias and the Expanding Universe

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How Two Astronomers Accidentally Discovered the Big Bang

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Nobel Prize in Physics, Arno Penzias, Interview

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Cosmic Microwave Background Explained | Space Time | PBS Digital Studios

Penzias is one of the two discoverers of the cosmic background microwave radiation. The CMB is an electromagnetic remnant from an early stage of the universe. Its discovery helped to establish the Big Bang Theory. CMB fills all space and has temperature approximately 2.73 Kelvins.
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