⏰ when

When was the cosmic microwave background discovered?

SpaceCosmology

Quick Answer

The cosmic microwave background was discovered in 1965. Arno Penzias and Robert Wilson made the detection by accident.

The Full Story

Arno Penzias and Robert Wilson discovered the cosmic microwave background in 1965 while working with a radio antenna at Bell Labs. They found a faint, uniform microwave signal coming from all directions in space. The radiation is relic light from the early universe and is now a cornerstone of cosmology. Their discovery provided strong evidence for the hot Big Bang model.

Key Facts

1.Discovered in 1965
2.Researchers: Penzias and Wilson
3.Detected as faint microwave background radiation

YouTube Angle

Suggested video title for this topic:

"The leftover glow from the early universe was found by accident."