MSGID: 1:153/757.0 4a944475   
   TZUTC: -0700   
   CHRS: LATIN-1 2   
                           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 August 12   
      
                            Ghirigori - Star Scribbles   
                       Image Credit & Copyright: Paolo Palma   
      
      Explanation: It's fun to scribble on the canvas of the sky. You can use   
      a creative photographic technique to cause the light of point-like   
      stars to dance across a digital image by tapping lightly on the   
      telescope while making an exposure. The result will be a squiggly line   
      traced by the star (or two squiggles traced by binary stars) that can   
      reveal the star's color. Colorful lines, dubbed Ghirigori, made from   
      stars found in the northern sky constellations Bootes, Corona Borealis,   
      Ophiucus, and Coma Berenices, are captured in this artistic mosaic. The   
      25 stars creating the varied and colorful squiggles are identified   
      around the border. Of course, temperature determines the color of a   
      star. While whitish stars tend to be close to the Sun's temperature,   
      stars with bluer hues are hotter, and yellow and red colors are cooler   
      than the Sun.   
      
                       Weekend Watch: Perseid Meteor Shower   
                     Tomorrow's picture: a tip of the sombrero   
        __________________________________________________________________   
      
          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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