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   CHRS: LATIN-1 2   
                           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 August 6   
       A thick transparent ribbon of red gas runs from the lower left to the   
        upper right. A dark starfield with stars and galaxies surrounds the   
          bright red ribbon. Please see the explanation for more detailed   
                                   information.   
      
                      SN 1006: A Supernova Ribbon from Hubble   
       Credit: NASA, ESA, Hubble Heritage (STScI/AURA); Acknowledgement: W.   
                                Blair et al. (JHU)   
      
      Explanation: What created this unusual space ribbon? The answer: one of   
      the most violent explosions ever witnessed by ancient humans. Back in   
      the year 1006 AD, light reached Earth from a stellar explosion in the   
      constellation of the Wolf (Lupus), creating a "guest star" in the sky   
      that appeared brighter than Venus and lasted for over two years. The   
      supernova, now cataloged at SN 1006, occurred about 7,000 light years   
      away and has left a large remnant that continues to expand and fade   
      today. Pictured here is a small part of that expanding supernova   
      remnant dominated by a thin and outwardly moving shock front that heats   
      and ionizes surrounding ambient gas. The supernova remnant SN 1006 now   
      has a diameter of nearly 60 light years.   
      
                         Tomorrow's picture: pelican stars   
        __________________________________________________________________   
      
          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.   
      
   --- BBBS/Li6 v4.10 Toy-6   
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