Gravitational-wave observatories release new catalog of detections
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When the densest objects in the universe collide and merge, the violence sets off gravitational waves that reverberate across space and time over hundreds of millions and even billions of years. By the time they pass through Earth, such cosmic ripples are barely discernible. Thanks to a global network of gravitational-wave observatories—the US-based National Science Foundation-funded Laser Interferometer Gravitational-wave Observatory (LIGO), the Virgo interferometer in Italy, and the Kamioka
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