Loudest Gravitational-Wave Burst Maps Black Hole Event Horizon
TL;DR
Researchers analyzing GW250114—the loudest binary black hole merger detected by LIGO, Virgo, and KAGRA—identified a new component called direct waves and used it to probe the remnant black hole's horizon, measuring its rotation frequency and surface gravity; the work, published in Nature, could enable future tests of general relativity and deepen our understanding of what happens at a black hole's edge.
- Black hole's 'point of no escape' studied with the loudest gravitational waves ever heard Space
- GW250114 reveals signatures of post-merger black-hole horizon Nature
- Researchers Detect “Frame Dragging” Around Merging Black Holes | Newswise Newswise
- Scientists find a way to study the event horizon where light and sound are swallowed for eternity ANU Reporter
- 'Fingerprints' of black hole's event horizon detected for the first time RTE.ie
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