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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 July 22   
      
                        Apollo 11: Armstrong's Lunar Selfie   
        Image Credit: NASA, Apollo 11, Neil Armstrong; Processing: Michael   
                                      Ranger   
      
      Explanation: A photograph of Buzz Aldrin standing on the Moon taken by   
      Neil Armstrong, was digitally reversed to create this lunar selfie.   
      Captured in July 1969 following the Apollo 11 moon landing, Armstrong's   
      original photograph recorded not only the magnificent desolation of an   
      unfamiliar world, but Armstrong himself reflected in Aldrin's curved   
      visor. In the unwrapped image, the spherical distortion of the   
      reflection in Aldrin's helmet has been reversed. The transformed view   
      features Armstrong himself from Aldrin's perspective. Since Armstrong   
      took the original picture, today the image represents a fifty-four year   
      old lunar selfie. Aldrin's visor reflection in the original image   
      appears here on the left. Bright (but distorted) planet Earth hangs in   
      the lunar sky above Armstrong's figure, toward the upper right. A   
      foil-wrapped leg of the Eagle lander and Aldrin's long shadow   
      stretching across the lunar surface are prominently visible. In 2024   
      NASA's Artemis II mission will return humans to the Moon.   
      
                       Tomorrow's picture: unexpected clock   
        __________________________________________________________________   
      
          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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