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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.   
      
                                    2025 June 2   
      The featured image shows a night sky with a large complex nebula in red   
      and blue. The Veil Nebula has several famous components such as the Bat   
      and Witch's Broom Nebulas. Please see the explanation for more detailed   
                                   information.   
      
                    Veil Nebula: Wisps of an Ancient Supernova   
                    Image Credit & Copyright: Abdullah Alharbi   
      
      Explanation: Wisps like this are all that remain visible of a Milky Way   
      star. About 7,000 years ago that star exploded in a supernova, leaving   
      the Veil Nebula. At the time, the expanding cloud was likely as bright   
      as a crescent Moon, remaining visible for weeks to people living at the   
      dawn of recorded history. Today, the resulting supernova remnant, also   
      known as the Cygnus Loop, has faded and is now visible only through a   
      small telescope directed toward the constellation of the Swan (Cygnus).   
      The remaining Veil Nebula is physically huge, however, and even though   
      it lies about 1,400 light-years distant, it covers over five times the   
      size of the full Moon. The featured picture was taken in Kuwait in   
      mid-2024 and features light emitted by hydrogen in red and oxygen in   
      blue. In deep images of the complete Veil Nebula like this, even   
      studious readers might not be able to identify the iconic filaments.   
      
                Piece it All Together: Astronomy Puzzle of the Day   
                          Tomorrow's picture: rainbow sky   
        __________________________________________________________________   
      
          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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