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| CfA Colloquium Schedule Fall 2009 | ||
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8 October 2009Speaker: Marla Geha (Yale) Title:The Darkest Galaxies Abstract:In the past three years, fourteen Milky Way satellite galaxies have been discovered, more than doubling the known population. These newly discovered ``ultra-faint'' galaxies have emerged as the least luminous and most dark matter-dominated galaxies in the known Universe. They are dramatically reshaping our understanding of galaxy formation and may hold the keys to deciphering the nature of dark matter. I will review our current understand of the ultra-faint galaxies, focusing on the constraints these objects provide on dark matter.
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