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First-ever open public alerts are received from LIGO

Posted on April 18, 2019

Two probable black-hole mergers spotted in first weeks after gravitational-wave detector is updated

Two new probable gravitational waves — ripples in the fabric of spacetime caused by cataclysmic cosmic events and first predicted by Albert Einstein over 100 years ago — have been detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo observatory in Italy in the first weeks after the detectors were updated. The source of both waves is believed to be the merging of a pair of black holes.

ICS Co-Hire Chad Hanna and his colleagues played a critical role in the detection.

Read the full story on Penn State News.


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