This is a Hubble image of the most massive cluster of galaxies ever seen to exist when the universe was just half its current age of 13.8 billion years. The cluster contains several hundred galaxies.
Image Credit: NASA, ESA, and J. Jee (University of California, Davis)
Washington, DC–(ENEWSPF)–April 4, 2014. NASA’s Hubble Space Telescope has weighed the largest known galaxy cluster in the distant universe, catalogued as ACT-CL J0102-4915, and found it definitely lives up…
