Sentences with phrase «fifth gravitational wave event»
The fifth gravitational wave event (GW170817), detected in mid-August 2017, was probably even more important than the first detection because it was the first one whose source also produced electromagnetic radiation we could observe with ground and space - based telescopes.
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The event, reported last October, marked the fifth observation of gravitational waves — ripples in the very fabric of spacetime, caused by huge cosmic cataclysms.
Unlike the first four gravitational wave events that involved mergers of black holes, the fifth event involved the merger of neutron stars.