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Rivers of gas could provide part of universe's 'missing matter'

An Ohio astronomer and her colleagues have detected a type of hot gas in space that could account for part of the “missing” matter in the universe. A gas cloud, one trillion times more massive than our sun and more than 150 times hotter, surrounds our local group of galaxies, the astronomers reported in the journal Nature. Though vast, this gas cloud is only part of larger rivers of gas that wind between all the galaxies of the universe.