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   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 June 20   
      
                         Major Lunar Standstill 2024-2025   
               Image Credit & Copyright: Luca Vanzella, Alister Ling   
      
      Explanation: Edmonton, Alberta, Canada, planet Earth lies on the   
      horizon. in this stack of panoramic composite images. In a monthly time   
      series arranged vertically top to bottom the ambitious photographic   
      project follows the annual north-south swing of sunrise points, from   
      June solstice to December solstice and back again. It also follows the   
      corresponding, but definitely harder to track, Full Moon rise. Of   
      course, the north-south swing of moonrise runs opposite sunrise along   
      the horizon. But these rising Full Moons also span a wider range on the   
      horizon than the sunrises. That's because the well-planned project (as   
      shown in this video) covers the period June 2024 to June 2025, centered   
      on a major lunar standstill. Major lunar standstills represent extremes   
      in the north-south range of moonrise driven by the 18.6 year precession   
      period of the lunar orbit.   
      
                           Tomorrow's picture: solstice   
        __________________________________________________________________   
      
          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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