⏰ when
When was the first detection of gravitational waves made?
Quick Answer
The first direct detection of gravitational waves was announced on 11 February 2016.
The Full Story
Scientists announced the first direct detection of gravitational waves on 11 February 2016. The signal, observed by LIGO, came from two colliding black holes about 1.3 billion light-years away. This confirmed a major prediction of Einstein's general relativity and opened a new way to observe the universe. It marked the birth of gravitational-wave astronomy.
Key Facts
1.Announcement date: 11 February 2016
2.Observed by: LIGO
3.Source: merging black holes
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Suggested video title for this topic:
"The invisible ripples in spacetime that scientists finally detected"
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