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出典:Wikipedia
出典:『Wikipedia』 (2011/06/17 12:42 UTC 版)
The Perseus Cluster (Abell 426) is a cluster of galaxies in the constellation Perseus. It has a red shift of 5,366 km/s and a diameter of 863′. It is one of the most massive objects in the universe, containing thousands of galaxies immersed in a vast cloud of multimillion degree gas.
Perseus Cluster