Home > News and Articles > Galaxy Clusters & Great Walls (The Largest Structures in the Universe)

Galaxy Clusters & Great Walls (The Largest Structures in the Universe)

January 24th, 2012

 

           Hydraa

A stunningly beautiful galaxy cluster 840 million light years from Earth with a few hundred galaxies gets its name from the strong radio source, Hydra A, above, that originates in a galaxy near the center of the cluster. 


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