Hubble Image of Coma Galaxy Cluster (IMAGE)

NASA/Goddard Space Flight Center

Hubble Image of Coma Galaxy Cluster

Caption

This Hubble Space Telescope mosaic shows a portion of the immense Coma galaxy cluster -- containing more than 1,000 galaxies -- located 300 million light-years away. The rapid motion of its galaxies was the first clue that dark matter existed.

Credit

NASA, ESA, J. Mack (STScI) and J. Madrid (Australian Telescope National Facility

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