X-ray Vision Reveals Intergalactic Medium

Astronomers are claiming the detection via x-rays of a chunk of the universe's ordinary matter. Unlike the famous "dark matter" whose gravity is thought to hold the galaxies together, this more mundane form of missing matter is the stuff of normal atoms. The new observations fit well with the standard model of cosmology and could help test ideas about large-scale structures in the universe.

Full article on ScienceNow



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