... Credit: Very Large Telescope Project , ESO Explanation: This strangely distorted galaxy of stars is cataloged as NGC 4650A. It lies about 165 million light-years away in the southern constellation Centaurus . The complex system seems to have at least two parts, a flattened disk of stars with a dense, bright, central core and a sparse, sharply tilted ring of gas, dust and stars . ... Cluster Crash Illuminates Dark Matter Conundrum . Dark Matter Ring Modeled around Galaxy Cluster CL0024 17 . ...