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Whose discovery of the cosmic microwave background proved the early universe was hot and dense?
Quick Answer
Arno Penzias and Robert Wilson discovered the cosmic microwave background in 1964. Their unexpected radio noise was the afterglow of the Big Bang.
The Full Story
Arno Penzias and Robert Wilson, working at Bell Labs, detected a persistent microwave signal in 1964 that seemed to come from every direction in space. After ruling out local sources, they realized they had found the cosmic microwave background radiation. This discovery gave powerful evidence for the hot Big Bang model of the universe. They shared the 1978 Nobel Prize in Physics for the finding.
Key Facts
1.The discovery was made in 1964
2.The signal came from all directions
3.They shared the 1978 Nobel Prize
YouTube Angle
Suggested video title for this topic:
"The accidental discovery that revealed the baby universe"
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