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 E-Mail IMAGE: Visualization of the Last Journey simulation. Shown is the large-scale structure of the universe as a thin slice through the full simulation (lower left) and zoom-ins at different levels. The. view more  Credit: (Image by Argonne National Laboratory.) A massive simulation of the cosmos and a nod to the next generation of computing A team of physicists and computer scientists from the U.S. Department of Energy s (DOE) Argonne National Laboratory performed one of the five largest cosmological simulations ever. Data from the simulation will inform sky maps to aid leading large-scale cosmological experiments. The simulation, called the Last Journey, follows the distribution of mass across the universe over time in other words, how gravity causes a mysterious invisible substance called  dark matter to clump together to form larger-scale structures called halos, within which galaxies form and evolve.

Milky wayMagallanesy antaica chilenaUnited statesKatherine rileyAdrian popeSalman habibKatrin heitmannArgonne high energy physicsLegacy survey of spaceDark energy spectroscopic instrumentScientific computing researchLos alamos national laboratoryUs department of energyOffice of science user facilityOffice of scienceArgonne national laboratory