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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 February 14   
        Two red emission nebulas are shown in front of a dark but colorful   
      starfield. The Soul Nebula is on the lower left, while the Heart Nebula   
        is on the upper right. Please see the explanation for more detailed   
                                   information.   
      
                            The Heart and Soul Nebulas   
                   Image Credit & Copyright: Juan Lozano de Haro   
      
      Explanation: Is the heart and soul of our Galaxy located in Cassiopeia?   
      Possibly not, but that is where two bright emission nebulas nicknamed   
      Heart and Soul can be found. The Heart Nebula, officially dubbed IC   
      1805 and visible in the featured image on the upper right, has a shape   
      reminiscent of a classical heart symbol. The shape is perhaps fitting   
      for Valentine's Day. The Soul Nebula is officially designated IC 1871   
      and is visible on the lower left. Both nebulas shine brightly in the   
      red light of energized hydrogen, one of three colors shown in this   
      three-color montage. Light takes about 6,000 years to reach us from   
      these nebulas, which together span roughly 300 light years. Studies of   
      stars and clusters like those found in the Heart and Soul nebulas have   
      focused on how massive stars form and how they affect their   
      environment.   
      
                        Tomorrow's picture: airglow chateau   
        __________________________________________________________________   
      
          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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