X marks the spot in dark matter web

X marks the spot in dark matter web

space.newscientist.com

We cannot see the streams of dark matter forming a web across the sky, but unusual cross-shaped galaxies may mark where they intersect.
Recent sky surveys suggest that most of the universe's mass consists of clumps and filaments of invisible, flowing dark matter. Astronomers think galaxies often form at the intersection of two or more filaments, which act like colliding jets of water.

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Giant ropes of dark matter found in new sky survey

We cannot see dark matter but the recently they have made roadmaps of dark matter "ropes" across the heavens. Galaxies are thought to form at the intersection of these ropes. The unusual shaped "polar ring galaxies" are thought to be proof of the existance of the ropes or cosmic web.

space.newscientist.com
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