03/27/2017 12:51 PM EDT
By harnessing the extreme sensitivity of NSF-funded Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have directly observed a pair of Milky Way-like galaxies seen when the universe was only 8 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 them. Source National Radio Astronomy Observatory
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Monday, March 27, 2017
Milky Way-like galaxies in early universe embedded in 'super halos'
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