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Distant quasar illuminates a filament of the cosmic web

Astronomers have discovered a distant quasar illuminating a vast nebula of diffuse gas, revealing for the first time part of the network of filaments thought to connect galaxies in a cosmic web. Using the 10-meter Keck I Telescope at the W. M. Keck Observatory in Hawaii, researchers at University of California at Santa Cruz detected a very large, luminous nebula of gas extending about 2 million light-years across intergalactic space.

Fuente : http://www.eurekalert.org/pub_releases/2014-01/uoc…

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