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Review of Observational Evidence for Dark Matter in the Universeand in upcoming searches for Dark Stars

Published online by Cambridge University Press:  30 May 2009

K. Freese*
Affiliation:
Michigan Center for Theoretical Physics, University of Michigan, Ann Arbor, MI 48109, USA
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Abstract

Over the past decade, a consensus picture has emergedin which roughly a quarter of the universe consists ofdark matter. The observational evidence for the existence ofdark matter is reviewed: rotation curves of galaxies, weaklensing measurements, hot gas in clusters,primordial nucleosynthesis and microwave background experiments.In addition, a new line of research on Dark Stars is presented,which suggests that the first stars to exist in the universewere powered by dark matter heating rather than by fusion:the observational possibilities of discovering dark matter in thisway are discussed.

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