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Gravitational Waves Reveal the Hearts of Neutron Stars

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Colliding neutron stars

This illustration captures the moment two neutron stars spiral together and collide. Astrophysicists have used gravitational waves produced from such mergers to probe the interiors of neutron stars and to set new limits on the formation of black holes.

Credit: NASA/CXC/Trinity University/D. Pooley et al. Illustration: NASA/CXC/M.Weiss

Inside a neutron star—the city-size, hyperdense cinder left after a supernova—modern physics plunges off the edge of the map.

From Scientific American
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