Astronomers discover ancestors of Milky Way-type galaxies

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An extended chain-like Lyman alpha emitting galaxy 12 billion light years from Earth as imaged by the Hubble Space Telescopes Advanced Camera for Surveys. Credit: NASA ESA Caryl GronwallPenn State
An extended, chain-like Lyman alpha emitting galaxy, 12 billion light years from Earth, as imaged by the Hubble Space Telescope's Advanced Camera for Surveys. Credit: NASA, ESA, Caryl Gronwall/Penn State

Astronomers at Rutgers and Penn State universities have discovered galaxies in the distant universe that are ancestors of spiral galaxies like our Milky Way.


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