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Simulation of eight million ‘mock universes’ sheds light on galaxy evolution

26 Aug 2019, 10:44 UTC
Simulation of eight million ‘mock universes’ sheds light on galaxy evolution NASA/ESA/J Lotz/HFF Team/STScI)

New insights into mechanisms that govern the formation of stars in galaxies have been gleaned by Peter Behroozi at the University of Arizona and colleagues in the US. This was done using the team’s UniverseMachine simulation framework, which generates millions of mock universes that evolve according to different rules of star formation. By comparing these universes to observations of the real thing, the scientists can work out which rules are correct.

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