Milky Way-like galaxies in early universe embedded in 'super halos'

Milky Way-like galaxies in early universe embedded in 'super halos' Charlottesville VA (SPX) Mar 28, 2017 - By harnessing the extreme sensitivity of the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have directly observed a pair of Milky Way-like galaxies seen when the universe was only eight percent of its current age. These progenitors of today's giant spiral galaxies are surrounded by "super halos" of hydrogen gas that extend many tens-of-thousands of light-years beyond their dus ... more

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