Accidental Discovery of Cosmic Microwave Background by Astronomers in 1964
In 1964, two astronomers cleaned pigeon mess from an antenna and found the echo of the Big Bang
The Times Of India
Image: The Times Of India
In 1964, astronomers Arno Penzias and Robert Wilson at Bell Telephone Laboratories discovered the cosmic microwave background radiation while investigating persistent background noise in their antenna. Their findings provided crucial evidence for the Big Bang theory, leading to their Nobel Prize in Physics in 1978.
- 01Arno Penzias and Robert Wilson were faced with unexplained background noise while conducting radio measurements at Bell Telephone Laboratories in Holmdel, New Jersey.
- 02The researchers initially attempted to eliminate what they thought was local interference, including cleaning pigeon droppings from their antenna.
- 03Collaboration with physicists from Princeton University revealed that the noise was actually cosmic microwave background radiation, a remnant from the Big Bang.
- 04This discovery transformed the Big Bang theory from a controversial idea into a well-supported scientific model.
- 05Penzias and Wilson received the Nobel Prize in Physics in 1978 for their groundbreaking work in cosmology.
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In 1964, astronomers Arno Penzias and Robert Wilson, while working at Bell Telephone Laboratories in Holmdel, New Jersey, encountered persistent background noise in their radio measurements. Initially, they believed this noise was due to local interference, including pigeon droppings in their antenna. However, after cleaning the antenna and still detecting the noise, they collaborated with physicists from Princeton University. This led to the revelation that the noise was actually cosmic microwave background radiation, a remnant from the Big Bang. This serendipitous discovery provided strong evidence for the Big Bang theory, significantly advancing the field of cosmology. Penzias and Wilson's dedication to understanding the source of the noise transformed a technical nuisance into a monumental scientific breakthrough, earning them the Nobel Prize in Physics in 1978.
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