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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.   
      
                                  2022 November 4   
      
                              InSight's Final Selfie   
                   Image Credit: NASA, JPL-Caltech, Mars InSight   
      
      Explanation: The Mars InSight lander returned its first image from the   
      Red Planet's flat, equatorial Elysium Planitia after a successful   
      touchdown on November 26, 2018. The history making mission to explore   
      the martian Interior using Seismic investigations, geodesy, and heat   
      transport has been operating for over 1,400 martian days or sols. In   
      that time the InSight mission has detected more than 1,300 marsquakes   
      and recorded data from Mars-shaking meteoroid impacts, observing how   
      the seismic waves travel to provide a glimpse inside Mars. Analyzing   
      the archive of data collected is expected to yield discoveries for   
      decades. But InSight's final operational sol is likely not far off. The   
      reason is evident in this selfie recorded earlier this year showing its   
      deck and large, 2-meter-wide solar panels covered with dust. Kicked up   
      by martian winds the dust continues to accumulate and drastically   
      reduce the power that can be generated by InSight's solar panels.   
      
                         Tomorrow's picture: light-weekend   
        __________________________________________________________________   
      
          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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