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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.   
      
                                   2025 June 10   
        A picture of a mostly white orb is shown that has many craters and   
       crevasses. Please see the explanation for more detailed information.   
      
                              Enceladus in True Color   
              Image Credit: NASA, ESA, JPL, SSI, Cassini Imaging Team   
      
      Explanation: Do oceans under the ice of Saturn's moon Enceladus contain   
      life? A reason to think so involves long features -- some dubbed tiger   
      stripes -- that are known to be spewing ice from the moon's icy   
      interior into space. These surface cracks create clouds of fine ice   
      particles over the moon's South Pole and create Saturn's mysterious   
      E-ring. Evidence for this has come from the robot Cassini spacecraft   
      that orbited Saturn from 2004 to 2017. Pictured here, a high resolution   
      image of Enceladus is shown in true color from a close flyby. The deep   
      crevasses are partly shadowed. Why Enceladus is active remains a   
      mystery, as the neighboring moon Mimas, approximately the same size,   
      appears quite dead. A analysis of ejected ice grains has yielded   
      evidence that complex organic molecules. These large carbon-rich   
      molecules bolster -- but do not prove -- that oceans under Enceladus'   
      surface could contain life.   
      
       APOD Turns 30!: Free public lecture in Anchorage tomorrow (Wednesday)   
                                      at 7 pm   
                            Tomorrow's picture: top 25   
        __________________________________________________________________   
      
          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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