Hydra Cluster

The Hydra Cluster (or Abell 1060) is a cluster of galaxies that contains 157 bright galaxies and can be viewed from earth in the constellation Hydra. The cluster spans about ten million light years and has an unusual high proportion of dark matter. The cluster is part of the Hydra-Centaurus Supercluster located 158 million light years from earth. The cluster's largest galaxies are elliptical galaxies NGC 3309 and NGC 3311 and the spiral galaxy NGC 3312 all having a diameter of about 150,000 light years. In spite of a nearly circular appearance on the sky, there is evidence in the galaxy velocities for a clumpy, three-dimensional distribution.

Famous quotes containing the words cluster and/or hydra:

    The power to guess the unseen from the seen, to trace the implications of things, to judge the whole piece by the pattern, the condition of feeling life in general so completely that you are well on your way to knowing any particular corner of it—this cluster of gifts may almost be said to constitute experience.
    Henry James (1843–1916)

    The hydra of corruption is only scotched, not dead. An investigation kills and it and its supporters dead. Let this be had.
    Andrew Jackson (1767–1845)