 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.


 Sun Pillar at Dawn Above Turin, Italy

   October 05, 2020

    Sun Pillar over river Po

   Photographer:  Stefano De Rosa;
   Summary Author:  Stefano De Rosa

   The photo above shows a splendid  sun pillar as observed above
   Turin, Italy, just before dawn on July 6, 2020. Its subtle light can be
   seen reflecting in the  Po River. Sun pillars result from
   the  reflection of sunlight off  ice crystals in the
    atmosphere, either suspended in the atmosphere or in  cirrus
   clouds. It should be noted, though, that in order to see these pillars,
   the crystals need to be slightly tilted in the direction of the
   observer. At right center, the silhouetted  Church of Santa Maria al
   Monte dei Cappuccini can be seen on a hillside overlooking the Po
   River. Photo taken on July 6, 2020.

   Photo Details: Canon EOS 5D Mk II camera; Canon EF 24-105mm lens; 24mm;
   1/80 second exposure; ISO 160; f/5.6.
     * Turin, Italy Coordinates:  45.059722, 7.697222

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Atmospheric Effects Links

     *  Atmospheric Optics
     *  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
 
