Deep Field Image Galaxy Supercluster Abell 901 902 Square Sticker

Credit: ESO This photograph was produced by European Southern Observatory (ESO).Their website states: "All ESO still and motion pictures are released under the Creative Commons Attribution 3.0 Unported, unless the credit byline indicates otherwise." (See: http://www.eso.org/gallery/copyright.html) http://www.eso.org/public/images/potw1304a/ This deep-field image shows what is known as a supercluster of galaxies — a giant group of galaxy clusters which are themselves clustered together. This one, known as Abell 901/902, comprises three separate main clusters and a number of filaments of galaxies, typical of such super-structures.