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Science After big bang, galaxies wasted no time forming, Hubble data show

The star collections known as galaxies formed much sooner in the early universe than previously estimated, according to an analysis of data from the Hubble Space Telescope. Galaxies were well established within 2.5 billion years of the big bang.

European Space Agency/NASA/ESA Hubble Space Telescope/Handout via Reuters

Galaxies appear to have matured much sooner in the early universe than previously estimated, adding intriguing twists to the history that astronomers are compiling of the growth and evolution of these vast collections of stars.

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