Fourth gravitational wave signal detected – Five things you need to know

Fourth gravitational wave signal detected – Five things you need to know

Fourth gravitational wave signal detected – Five things you need to know The latest observation was made on August 14, 2017. It’s the first gravitational wave signal recorded by the Virgo detector. New Delhi: Originally predicted in the early 20th century by Albert Einstein, gravitational waves – ripples in space and time – were not detected until 2015, when the Laser Interferometer Gravitational-wave Observatory (LIGO) identified the first such signal from two merging black holes. On Wednesday, scientists announced the detection of a fourth gravitational wave signal coming as a…

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