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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 March 8   
      
                              Moon in Inverted Colors   
                     Image Credit & Copyright: Dawid Glawdzin   
      
      Explanation: Which moon is this? It's Earth's moon -- but in inverted   
      colors. Here, the pixel values corresponding to light and dark areas   
      have been translated in reverse, or inverted, producing a false-color   
      representation reminiscent of a black and white photographic negative.   
      However, this is an inverted color image -- where the muted colors of   
      the moon are real but digitally exaggerated before inversion. Normally   
      bright rays from the large crater Tycho dominate the southern (bottom)   
      features as easily followed dark green lines emanating from the   
      85-kilometer diameter impact site. Normally dark lunar mare appear   
      light and silvery. The image was acquired in Southend-on-Sea, England,   
      UK. Historically, astronomical images recorded on photographic plates   
      were directly examined on inverted-color negatives because it helped   
      the eye pick out faint details.   
      
                      Tomorrow's picture: martian rock flower   
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          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
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                         A service of: ASD at NASA / GSFC   
                                & Michigan Tech. U.   
      
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