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View Full Version : Distant Galaxies Reveal 3D Cosmic Web for the First Time



Fraser
2014-Oct-16, 10:30 PM
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, itís impossible to see directly. For years, astronomers have used quasars ó brilliant galactic centers fueled by supermassive black holes rapidly accreting material ó to map the otherwise invisible matter. But […]

More... (http://www.universetoday.com/115310/distant-galaxies-reveal-3d-cosmic-web-for-the-first-time/)