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Recreating a slice of the universe

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opednews.com Headlined to H4 8/18/12

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At phys.org

Scientists at the Harvard-Smithsonian Center for Astrophysics and their colleagues at the Heidelberg Institute for Theoretical Studies (HITS) have invented a new computational approach that can accurately follow the birth and evolution of thousands of galaxies over billions of years. For the first time it is now possible to build a universe from scratch that brims with galaxies like we observe around us... Our cosmic neighborhood is littered with majestic spiral galaxies like Andromeda, the Pinwheel, and the Whirlpool. Spirals are common, but previous simulations had trouble creating them. Instead, they produced lots of blobby galaxies clumped into balls, without the broad disks and outstretched arms of a typical spiral. Arepo generates a full-fledged simulation of the universe, taking as input only the observed afterglow of the Big Bang and evolving forward in time for 14 billion years.

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At phys.org


 

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[[VID12]]... by Kyle McDermott on Saturday, Aug 18, 2012 at 11:40:34 AM