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   TZUTC: -0700   
   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.   
      
                                 2024 September 25   
      A sunrise sky is shown over water and trees. The horizon is orange and   
      the top of the image is deep blue. On the far right vertical bands are   
      shown becoming progressively darker. In each band a comet appears, with   
       the comet appearing increasingly near the top of the image on lighter   
       bands. The main part of the image on the left is the lightest. Please   
                see the explanation for more detailed information.   
      
                      Comet A3 Through an Australian Sunrise   
                      Image Credit & Copyright: Lucy Yunxi Hu   
      
      Explanation: Comet Tsuchinshan-ATLAS is now visible in the early   
      morning sky. Diving into the inner Solar System at an odd angle, this   
      large dirty iceberg will pass its closest to the Sun -- between the   
      orbits of Mercury and Venus -- in just two days. Long camera exposures   
      are now capturing C/2023 A3 (TsuchinshanCÇôATLAS), sometimes abbreviated   
      as just A3, and its dust tail before and during sunrise. The featured   
      image composite was taken four days ago and captured the comet as it   
      rose above Lake George, NSW, Australia. Vertical bands further left are   
      images of the comet as the rising Sun made the predawn sky increasingly   
      bright and colorful. Just how bright the comet will become over the   
      next month is currently unknown as it involves how much gas and dust   
      the comet's nucleus will expel. Optimistic skywatchers are hoping for a   
      great show where TsuchinshanCÇôATLAS creates dust and ion tails visible   
      across Earth's sky and becomes known as the Great Comet of 2024.   
      
                  Survey: Color Blindness and Astronomical Images   
                  Growing Gallery: Comet Tsuchinsan-ATLAS in 2024   
                          Tomorrow's picture: open 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.   
      
   --- BBBS/Li6 v4.10 Toy-7   
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