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'The Models Were Right!' Astronomers Locate Universe's 'Missing' Matter
It's not dark matter, writes Space.com. But astronomers have discovered "a vast tendril of hot gas linking four galaxy clusters and stretching out for 23 million light-years, 230 times the length of our galaxy. "With 10 times the mass of the Milky Way, this filamentary structure accounts for mu...
"With 10 times the mass of the Milky Way, this filamentary structure accounts for much of the universe's 'missing matter,' the search for which has baffled scientists for decades...."[I]t is "ordinary matter" made up of atoms, composed of electrons, protons, and neutrons (collectively called baryons) which make up stars, planets, moons, and our bodies. It could also reveal more about the "Cosmic Web," the vast structure along which entire galaxies grew and gathered during the earlier epochs of our 13.8 billion-year-old universe.... Team leader Konstantinos Migkas (of the Netherlands' Leiden Observatory) explained the significance of their finding.
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