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LIGO: gravitational waves from a binary black hole merger

Contribution grade

Experimental physics · Scoped scientific or research-capability contribution

Reference score180,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

GW150914 provides direct observational evidence of gravitational waves from merging black holes.

Scientific scope

GW150914 provides direct observational evidence of gravitational waves from merging black holes. Scope limitation: Observed in 2015 and published in 2016. This is a large collaboration’s achievement, not the work of a single individual.

Evidence

Assessment uses the catalogue-linked source evidence for the stated contribution. Observed in 2015 and published in 2016. This is a large collaboration’s achievement, not the work of a single individual.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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