Thursday, 15 August 2013

Astronomers show galaxies had 'mature' shapes 11.5 billion years ago

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Studying the evolution and anatomy of galaxies using the Hubble Space Telescope, an international team of astronomers led by doctoral candidate BoMee Lee and her advisor Mauro Giavalisco at the University of Massachusetts Amherst have established that mature-looking galaxies existed much earlier than previously known, when the universe was only about 2.5 billion years old, or 11.5 billion years ago. "Finding them this far back in time is a significant discovery," says lead author Lee.



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