MSGID: 1:317/3 6398bdde   
   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.   
      
      
    Twinned Rainbow   
      
      December 13, 2022   
      
      
       Doblearcojpg   
      
      Photographer:  Facundo Jauri   
      Summary Author:  Facundo Jauri   
      
      The rainbow panorama above, composed of 4 photos, was captured over   
      Quilmes, Buenos Aires. It was taken looking east at 17:29 (local time)   
      on September 22, 2022. Notice how this bow appears to split along the   
      highest portion of the arch, creating a different rainbow but with the   
      same color pattern as the  primary rainbow, unlike a normal double   
      rainbow where the  secondary outer bow has a reverse color pattern   
      than the primary bow. This is known as a  twinned rainbow. It's not   
      known for certain just how these bows form, but  model simulations   
      suggest that rain showers having slightly different shaped and sized   
      raindrops (spherical and oblate, for instance) could explain their   
      formation.   
      
      Photo details: Canon 6D camera; Canon lens 50 mm; f/8; 1/4000 exposure;   
      ISO 800; stitched and processed in Photoshop.   
      
      
      Quilmes, Buenos Aires Coordinates: -34.72441, -58.26049   
      
      
   Related EPODs   
      
       Twinned Rainbow  Double Cloud Shadow off the Coast of Croatia   
       Dust Devils on a Dry Lakebed  Moondog and Etna Lava Flow  Two   
      Types of Bewildering Sunset Mirages  Meteors from Fragments of Chang   
      Zheng 2F Rocket Launch   
       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?   
      
   -   
      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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