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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 3   
      
                      M83: Star Streams and a Thousand Rubies   
                     Image Credit & Copyright: Michael Sidonio   
      
      Explanation: Big, bright, and beautiful, spiral galaxy M83 lies a mere   
      twelve million light-years away, near the southeastern tip of the very   
      long constellation Hydra. About 40,000 light-years across, M83 is known   
      as the Southern Pinwheel for its pronounced spiral arms. But the wealth   
      of reddish star forming regions found near the edges of the arms' thick   
      dust lanes, also suggest another popular moniker for M83, the   
      Thousand-Ruby Galaxy. This new deep telescopic digital image also   
      records the bright galaxy's faint, extended halo. Arcing toward the   
      bottom of the cosmic frame lies a stellar tidal stream, debris drawn   
      from massive M83 by the gravitational disruption of a smaller, merging   
      satellite galaxy. Astronomers David Malin and Brian Hadley found the   
      elusive star stream in the mid 1990s by enhancing photographic plates.   
      
                        Tomorrow's picture: pixels in space   
        __________________________________________________________________   
      
          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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