MSGID: 1:317/3 638f836b   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    EPOD - a service of USRA   
      
   The Earth Science Picture of the Day (EPOD) highlights the diverse processes   
   and phenomena which shape our planet and our lives. EPOD will collect and   
   archive photos, imagery, graphics, and artwork with short explanatory   
   captions and links exemplifying features within the Earth system. The   
   community is invited to contribute digital imagery, short captions and   
   relevant links.   
      
      
    Double Cloud Shadow off the Coast of Croatia   
      
      December 06, 2022   
      
       _DSC7607-copy.png1440   
      
      Photographer:  Maja Kraljik   
      Summary Author:  Maja Kraljik;  Jim Foster   
      As I photographed a  cumulus congestus cloud over the northwestern   
      Adriatic Sea, off the coast of Croatia, I noticed that it was backlit   
      by the near mid-day Sun. As this cloud grew and developed, an   
      eye-catching double  shadow began to appear immediately above it.   
      Projected shadows may be observed when the cloud’s shadow is cast upon   
      a thin layer of  dust,  haze or other  aerosols. In this case   
      the source of dust was likely the Sahara Desert. Such shadows are   
      typically seen when  looking within about 10 degrees of the solar   
      disk. Note also the  crepuscular rays -- above the cloud top. Photo   
      taken on October 3, 2021, at 11:30 a.m. local time.   
      
      Photo details: ISO 80; f8; 1/250 second exposure.   
      
      Northwest Adriatic Sea, Croatia Coordinates: 45.442096, 13.508952   
      
      
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   Atmospheric Effects Links   
      
        *  Atmospheric Optics   
        *  Optic Picture of Day: Gruppo Astrofili Galileo Galilei   
        *  Color and Light in Nature   
        *  The Colors of Twillight and Sunset   
        *  Refraction Index   
        *  Image Gallery: Atmospheric Effects   
        *  What is a Rainbow?   
      
   -   
      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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