⏰ when
When was the first detection of gravitational waves announced?
Quick Answer
The first detection was announced in 2016, from signals measured on 14 September 2015.
The Full Story
The first detection of gravitational waves was announced by LIGO scientists on 11 February 2016, based on data recorded on 14 September 2015. The signal came from two merging black holes about 1.3 billion light-years away. This was the first direct observation of gravitational waves, confirming a major prediction of Einstein's general relativity. The discovery opened a new way of observing the universe and won the 2017 Nobel Prize in Physics.
Key Facts
1.Signal recorded on 14 September 2015
2.Announcement made on 11 February 2016
3.Nobel Prize awarded in 2017
YouTube Angle
Suggested video title for this topic:
"The first time humanity heard the universe collide."
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