Space

NASA’s Hubble, Chandra Find Clues that May Help Identify Dark Matter

Images of galaxy clustersHere are images of six different galaxy clusters taken with NASA’s Hubble Space Telescope (blue) and Chandra X-ray Observatory (pink) in a study of how dark matter in clusters of galaxies behaves when the clusters collide. A total of 72 large cluster collisions were studied. Image Credit: NASA and ESA

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