Cosmic 'Lighthouses' That Beam Gamma Rays Could Reveal Gravitational Waves All Around Us - Gizmodo

Pulsars scattered throughout the galaxy provide a novel way to see ripples in spacetime.

A team of astronomers have compiled 12.5 years of data from the Fermi Gammy-ray Space Telescope to form a gamma-ray pulsar timing array, a system of cosmic lighthouses that could help reveal ripples … [+4631 chars]

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