Dark Matter Can Make Dark Atoms - by PaulMattSutter
In this picture the various components of dark matter can collect together to form dark atoms, and even molecules and more complex structures. Most importantly, in these models the dark matter can clump together very tightly. A team of researchers used this fact toof these models of dark atoms using simulations of the evolution of galaxies.
They found that atomic dark matter can very rapidly clump up, forting forming a “shadow disk” to go along with the disk of stars in the typical galaxy. From there the dark atoms continue to clump, forming the equivalent of dark stars and dark black holes. It can evenAll of these effects of atomic dark matter would be invisible at cosmological scales. But they would drastically affect the evolution of stars within the galaxy.
The researchers found differences in star formation rates and the population and distribution of stars in a galaxy that includes dark atoms versus a galaxy that only includes a single dark matter component. The researchers hope that these results will be useful to further pinning down this mysterious substance that dominates our universe.
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