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Quasar Makes Ghostly Intergalactic Filament Glow

For the first time, a thin filament of intergalactic gas from the "cosmic web" has been directly seen using one of the largest telescopes on Earth. Continue reading →

January 29, 2014
12:11 PM EST
Large image shows a slice of the Millennium simulation, showing the distribution of dark matter in a simulated Universe. Inset shows a similar such simulation with normal gas added. | S. Cantalupo (UCSC); Joel Primack (UCSC); Anatoly Klypin (NMSU)

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