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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.   
      
                                   2024 July 12   
      
                                 Jones-Emberson 1   
                      Image Credit & Copyright: Team OURANOS,   
        (Jean-Baptiste Auroux, Jean Claude Mario, Mathieu Guinot & Matthieu   
                                      Tequi)   
      
      Explanation: Planetary nebula Jones-Emberson 1 is the death shroud of a   
      dying Sun-like star. It lies some 1,600 light-years from Earth toward   
      the sharp-eyed constellation Lynx. About 4 light-years across, the   
      expanding remnant of the dying star's atmosphere was shrugged off into   
      interstellar space, as the star's central supply of hydrogen and then   
      helium for fusion was depleted after billions of years. Visible near   
      the center of the planetary nebula is what remains of the stellar core,   
      a blue-hot white dwarf star. Also known as PK 164 +31.1, the nebula is   
      faint and very difficult to glimpse at a telescope's eyepiece. But this   
      deep image combining over 12 hours of exposure time does show it off in   
      exceptional detail. Stars within our own Milky Way galaxy as well as   
      background galaxies across the universe are scattered through the clear   
      field of view. Ephemeral on the cosmic stage, Jones-Emberson 1 will   
      fade away over the next few thousand years. Its hot, central white   
      dwarf star will take billions of years to cool.   
      
                         Tomorrow's picture: light-weekend   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
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                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
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