Gravitational Waves

Journalists and scientists attend a news conference to discuss the contributions of Chinese scientists using the Five-hundred-meter Aperture Spherical Telescope (FAST) in southern China to an international collaboration on gravitational waves at the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) in Beijing, Tuesday, June 27, 2023. On Wednesday, June 28, 2023, researchers reported signals from what they call low-frequency gravitational waves — changes in the fabric of the universe that are created by huge objects moving around and colliding in space. It took decades of work by scientists across the globe to track down the evidence for these super-slow wobbles. (AP Photo/Mark Schiefelbein)

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