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Dying Stars Build Cocoons that Shake the Fabric of Space-Time

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Since the first direct detection of the space-time ripples known as gravitational waves was announced in 2016, astronomers regularly listen for the ringing of black holes across the universe. Projects like the Laser Interferometer Gravitational-Wave Observatory (better known as LIGO) have detected almost 100 collisions between black holes (and sometimes neutron stars), which shake up … Read more

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Writer Fuel: How to See the Beginning of Time

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Ripples in space-time known as gravitational waves could help reveal the secrets at the dawn of time, just moments after the Big Bang, new research suggests. And physicists say they can learn more about these primeval gravitational waves using nuclear fusion reactors here on Earth. In a new study, physicists used equations that govern how … Read more