Dwarf galaxies need dark matter too

Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, University of Michigan astronomers have found.

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<p><a href="http://www.physorg.com/news112459819.html">Dwarf galaxies need dark matter too</a></p> <p>Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, University of Michigan astronomers have found. </p>