MSGID: 1:153/757.0 21190536   
   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 October 4   
      
                                 Comet at Moonrise   
                    Image Credit & Copyright: Gabriel Zaparolli   
      
      Explanation: Comet C/2023 A3 (TsuchinshanCÇôATLAS) is growing brighter in   
      planet Earth's sky. Fondly known as comet A3, this new visitor to the   
      inner Solar System is traveling from the distant Oort cloud. The comet   
      reached perihelion, its closest approach to the Sun, on September 27   
      and will reach perigee, its closest to our fair planet, on October 12,   
      by then becoming an evening sky apparition. But comet A3 was an early   
      morning riser on September 30 when this image was made. Its bright coma   
      and already long tail share a pre-dawn skyscape from Praia Grande,   
      Santa Catarina in southern Brazil with the waning crescent Moon just   
      peeking above the eastern horizon. While the behaviour of comets is   
      notoriously unpredictable, TsuchinshanCÇôATLAS could become a comet   
      visually rivaling C/2020 F3 (NEOWISE). Comet NEOWISE wowed skygazers in   
      the summer of 2020.   
      
                  Growing Gallery: Comet Tsuchinsan-ATLAS in 2024   
                          Tomorrow's picture: not a comet   
        __________________________________________________________________   
      
          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.   
      
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