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

supernova - deposit photos

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