A large galaxy should be surrounded by numerous faint dwarf galaxies which get most of their mass from dark matter. (newscientist.com)
We also needed to add in the contribution of a more abundant population of faint dwarf galaxies.» (sciencedaily.com)
Despite having run the highest - resolution simulation to date, Wetzel continues to push forward, and he is in the process of running an even higher - resolution, more - sophisticated simulation that will allow him to model the very faintest dwarf galaxies around the Milky Way. (sciencedaily.com)