MSGID: 1:317/3 63b1ca3e   
   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.   
      
      
    Crepuscular Rays Observed from Italian Alps   
      
      December 30, 2022   
      
      
       Tramonto sull'Aiguille Noire de Peuterey   
      
      Photographer:  Valter Luna   
      
      Summary Authors:  Valter Luna;  Jim Foster   
      
      Shown above is a breathtaking set of  crepuscular rays that I   
      observed over the  Aiguille Noire de Peuterey in the Italian Alps.   
      Rays such as this while most often associated with clouds near the   
      horizon can also take shape when sunlight filters through mountain   
      passes, as was the case on this mid-summer’s evening. However, for   
      these rays to be seen, the atmosphere must be dusty. Sunlight   
       scattered by dust particles, and or other  aerosols suspended in   
      the atmosphere, act to project the rays across the sky. Photo taken on   
      July 29, 2022.   
      
      Photo details: Nikon D100 camera; Sigma lens 18-250 mm (18 mm); 1/250   
      sec exposure; f / 16; ISO 200   
      
      
      Aiguille Noire de Peuterey, Italy Coordinates:  45.815, 6.893611   
      
      
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       More...   
      
   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?   
      
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      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
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