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                           Astronomy Picture of the Day   
      
       Discover the cosmos! Each day a different image or photograph of our   
         fascinating universe is featured, along with a brief explanation   
                       written by a professional astronomer.   
      
                                 2023 November 10   
      
                        UHZ1: Distant Galaxy and Black Hole   
             Image Credit: X-ray: NASA/CXC/SAO/+ükos Bogd+ín; Infrared:   
                                NASA/ESA/CSA/STScI;   
              Image Processing: NASA/CXC/SAO/L. Frattare & K. Arcand   
      
      Explanation: Dominated by dark matter, massive cluster of galaxies   
      Abell 2744 is known to some as Pandora's Cluster. It lies 3.5 billion   
      light-years away toward the constellation Sculptor. Using the galaxy   
      cluster's enormous mass as a gravitational lens to warp spacetime and   
      magnify even more distant objects directly behind it, astronomers have   
      found a background galaxy, UHZ1, at a remarkable redshift of Z=10.1.   
      That puts UHZ1 far beyond Abell 2744, at a distance of 13.2 billion   
      light-years, seen when our universe was about 3 percent of its current   
      age. UHZ1 is identified in the insets of this composited image   
      combining X-rays (purple hues) from the spacebased Chandra X-ray   
      Observatory and infrared light from the James Webb Space Telescope. The   
      X-ray emission from UHZ1 detected in the Chandra data is the telltale   
      signature of a growing supermassive black hole at the center of the   
      ultra high redshift galaxy. That makes UHZ1's growing black hole the   
      most distant black hole ever detected in X-rays, a result that now   
      hints at how and when the first supermassive black holes in the   
      universe formed.   
      
                         Tomorrow's picture: light-weekend   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Phillip Newman Specific rights apply.   
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                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
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