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Distant Galaxies Reveal 3D Cosmic Web for the First Time - Universe Today
On the largest scales, networks of gaseous filaments span hundreds of millions of light-years, connecting massive galaxy clusters. But this gas is so rarified, it’s impossible to see directly. For years, astronomers have used quasars — brilliant galactic centers fueled by supermassive black holes rapidly accreting material — to map the otherwise invisible matter. But … Continue reading "Distant Galaxies Reveal 3D Cosmic Web for the First Time"