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July 29, 2020

Simulation of formation of dark matter structures from the early universe to today

A still image from a simulation of the formation of dark matter structures from the early universe to today. Gravity makes dark matter clump into dense halos, indicated by bright patches, where galaxies form. In this simulation, a halo like the one that hosts the Milky Way forms and a smaller halo resembling the Large Magellanic Cloud falls toward it. SLAC and Stanford researchers, working with collaborators from the Dark Energy Survey, have used simulations like these to better understand the connection between dark matter and galaxy formation.

[Research supported by U.S. National Science Foundation grants AST 1517422, PHY 1748958 and DGE 1656518. In addition, this work was performed by the Dark Energy Survey, which is funded in part by NSF.]

Learn more in the Stanford University news story The Milky Way’s satellites help reveal link between dark matter halos and galaxy formation. (Date image taken: Dec. 2019; date originally posted to NSF Multimedia Gallery: July 30, 2020)

Credit: Ralf Kaehler/Ethan Nadler/SLAC National Accelerator Laboratory


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