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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 July 26   
       A sprawling nebula is pictured with gold tinted gas covering the top,   
      blue, the middle, and dark brown the bottom. Stars cover the frame but   
      are most prominent near the bottom. Please see the explanation for more   
                               detailed information.   
      
                             IC 4628: The Prawn Nebula   
                      Image Credit & Copyright: Daniel Stern   
      
      Explanation: South of Antares, in the tail of the nebula-rich   
      constellation Scorpius, lies emission nebula IC 4628. Nearby hot,   
      massive stars, millions of years young, irradiate the nebula with   
      invisible ultraviolet light, stripping electrons from atoms. The   
      electrons eventually recombine with the atoms to produce the visible   
      nebular glow, dominated by the red emission of hydrogen. At an   
      estimated distance of 6,000 light-years, the region shown is about 250   
      light-years across, spanning over three full moons on the sky. The   
      nebula is also cataloged as Gum 56 for Australian astronomer Colin   
      Stanley Gum, but seafood-loving deep sky-enthusiasts might know this   
      cosmic cloud as the Prawn Nebula. The graceful color image is a new   
      astronomical composition taken over several nights in April from Rio   
      Hurtado, Chile.   
      
                     Tomorrow's picture: galaxies in the river   
        __________________________________________________________________   
      
          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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