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Wednesday, July 27, 2011
Tuesday, July 19, 2011
Friday, July 8, 2011
The Most Distant Galaxy Super Cluster
Galaxies are usually found as members of clusters. Rich clusters can have thousands of members and poor clusters may have only dozens of galaxies. The clustering of galaxies is an important constraint on cosmological models and the degree of clustering in the Universe today is related to the anisotropies in the matter distribution of the early universe.