Recent Dynamical Relaxation of Galaxy Clusters: Evidence for a Low-Ω_m Universe

Adrian L. Melott , Scott W. Chambers (University of Kansas) , Christopher J. Miller (Carnegie Mellon University)

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classification 🌌 astro-ph

keywords clustersevidencegalaxyuniverseadditionalarguebeendynamical

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We argue that there has been substantial evolution in the ellipticity of rich galaxy clusters between 0 < z < 0.1, and suggest that this is additional evidence for a low matter-density Universe.

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Recent Dynamical Relaxation of Galaxy Clusters: Evidence for a Low-Ω_m Universe

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