Science
Dark Matter Breakthrough Allows Probing Three of the Most Popular Theories, All at the Same Time – SciTechDaily
Observations of dwarf galaxies around the Milky Way have yielded simultaneous constraints on three popular theories of dark matter. A team of scientists led by cosmologists from the Department of Energy’s SLAC and Fermi national accelerator laboratories has p…
Two numerical simulations predicting the distribution of dark matter around a galaxy similar to our Milky Way. The left panel assumes that dark matter particles were moving fast in the early universe (warm dark matter), while the right panel assumes that dark matter particles were moving slowly (cold dark matter). The warm dark matter model predicts many fewer small clumps of dark matter surrounding our Galaxy, and thus many fewer satellite galaxies that inhabit these small clumps of dark matter…
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