Labels:encyclical | poster | reckoner | sky OCR: Cluster aof the nearby Centaur galaxies. very loose collection than the about 30 tirmes less der rich Perseus Cluster terare The galaxies in a each gravitationally bound here is other None those cluster likely ever to leave Trre to Even if a galaxy's path uster the take it away from the other combined gravity of ould galaxies in the cluster prevent its esca taur laxies times rould