For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging neutron stars in the galaxy NGC 4993, located about 130 million light-years from Earth in the constellation Hydra. Astronomers announced on Monday that they had seen and heard a pair of dead stars collide, giving them their … The post Greek astrophysicist Kalogera among scientists to discover “Gravitational Waves” appeared first on Keep Talking Greece.
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