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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 March 27   
      Multi-colored aurora are seen above an unusual stone gateway, the first   
         of several similar gateways seen in the distance. Please see the   
                    explanation for more detailed information.   
      
                             Aurora Over Arctic Henge   
                      Image Credit & Copyright: Cari Letelier   
      
      Explanation: Reports of powerful solar flares started a seven-hour   
      quest north to capture modern monuments against an aurora-filled sky.   
      The peaks of iconic Arctic Henge in Raufarh++fn in northern Iceland were   
      already aligned with the stars: some are lined up toward the exact   
      north from one side and toward exact south from the other. The featured   
      image, taken after sunset late last month, looks directly south, but   
      since the composite image covers so much of the sky, the north star   
      Polaris is actually visible at the very top of the frame. Also visible   
      are familiar constellations including the Great Bear (Ursa Major) on   
      the left, and the Hunter (Orion) on the lower right. The quest was   
      successful. The sky lit up dramatically with bright and memorable   
      auroras that shimmered with amazing colors including red, pink, yellow,   
      and green -- sometimes several at once.   
      
                    Tomorrow's picture: green flash flash flash   
        __________________________________________________________________   
      
          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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