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   ESSNASA      Earth & Space Sci-Tech + NASA      10,823 messages   

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   Message 10,512 of 10,823   
   Alan Ianson to All   
   Daily APOD Report   
   27 Jul 25 00:13:08   
   
   MSGID: 1:153/757.0 64c91dd4   
   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.   
      
                                   2025 July 27   
          A volcano is shown with its peak in the midst of purple clouds.   
        Lightning appears to come out of the top of the volcano in multiple   
      paths into the upper sky. Please see the explanation for more detailed   
                                   information.   
      
                        Lightning over the Volcano of Water   
               Image Credit: Sergio Mont+|far (Pinceladas Nocturnas)   
      
      Explanation: Have you ever watched a lightning storm in awe? You're not   
      alone. Details of what causes lightning are still being researched, but   
      it is known that inside some clouds, internal updrafts cause collisions   
      between ice and snow that slowly separate charges between cloud tops   
      and bottoms. The rapid electrical discharges that are lightning soon   
      result. Lightning usually takes a jagged course, rapidly heating a thin   
      column of air to about three times the surface temperature of the Sun.   
      The resulting shock wave starts supersonically and decays into the loud   
      sound known as thunder. On average, around the world, about 6,000   
      lightning bolts occur between clouds and the Earth every minute.   
      Pictured in July 2019 in a two-image composite, lightning stems from   
      communication antennas near the top of Volc+ín de Agua (Volcano of   
      Water) in Guatemala.   
      
        Sky Surprise: What picture did APOD feature on your birthday? (post   
                                       1995)   
                      Tomorrow's picture: asteroid explosion   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
                     NASA Web Privacy, Accessibility, Notices;   
                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
   --- BBBS/Li6 v4.10 Toy-7   
    * Origin: The Rusty MailBox - Penticton, BC Canada (1:153/757)   
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