⏰ when
When was the cosmic microwave background first discovered?
Quick Answer
In 1965, Arno Penzias and Robert Wilson discovered the cosmic microwave background radiation.
The Full Story
The cosmic microwave background was discovered in 1965 by Arno Penzias and Robert Wilson at Bell Labs. They detected a faint microwave hiss coming from every direction in the sky. This radiation is leftover heat from the early universe and became one of the strongest pieces of evidence for the Big Bang. The discovery earned them the 1978 Nobel Prize in Physics.
Key Facts
1.Discovered in 1965
2.Found by Penzias and Wilson
3.Led to the 1978 Nobel Prize
YouTube Angle
Suggested video title for this topic:
"The afterglow of the Big Bang, discovered by accident."
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