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Whose observation led to the discovery of cosmic microwave background radiation?
SpaceAstronomy
Quick Answer
It was discovered by Arno Penzias and Robert Wilson in 1964, using a horn antenna at Bell Labs. Their work revealed the faint afterglow of the Big Bang.
The Full Story
Arno Penzias and Robert Wilson detected the cosmic microwave background radiation in 1964 while troubleshooting an unexpected noise in a microwave antenna at Bell Labs in New Jersey. The signal turned out to be a nearly uniform microwave glow coming from all directions in space. Their discovery provided powerful evidence for the Big Bang theory. Penzias and Wilson shared the 1978 Nobel Prize in Physics for the find.
Key Facts
1.Discovery made in 1964
2.Arno Penzias and Robert Wilson shared the 1978 Nobel Prize
3.CMB temperature is about 2.7 K
YouTube Angle
Suggested video title for this topic:
"The accidental noise that proved the Big Bang was real"