200 forecasters

Will gravitational waves from the merger of supermassive black holes be detected by November 30, 2027?

65%chance

Forecast Timeline

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Authors:

Opened:

Dec 21, 2017

Closes:

Nov 30, 2027

Scheduled resolution:

Nov 30, 2027

Spot Scoring Time:

Dec 23, 2017

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Black hole collision confirms decades-old predictions by Einstein and Hawking

CNN•Sep 11, 2025

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