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02-26-12, 11:00 AM
Our Video Sunday feature continues with this simulation showing the evolution of the largest structures in the Universe. Computed on the NASA AMES‚?? supercomputer constellation, this Bolshoi simulation (http://hipacc.ucsc.edu/Bolshoi/) (based on the Lambda Cold Dark Matter model) is designed to study how dark matter halos evolved.

The Bolshoi simulation is the most accurate cosmological simulation of the evolution of the large-scale structure of the universe yet made (‚??bolshoi‚?? is the Russian word for ‚??great‚?? or ‚??grand‚??). The first two of a series of research papers describing Bolshoi and its implications have been accepted for publication in the Astrophysical Journal. The first data release of Bolshoi outputs, including output from Bolshoi and also the BigBolshoi or MultiDark simulation of a volume 64 times bigger than Bolshoi, has just been made publicly available to the world‚??s astronomers and astrophysicists.

Credit: Anatoly Klypin / Joel Primack / Chris Henze / NASA.

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