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                        Astronomy Picture of the Day

   [1]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.

                              2020 September 27
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                           Lightning over Colorado
                  Image Credit & Copyright: [3]Joe Randall

   Explanation: Have you ever watched a lightning storm in awe? Join the
   crowd. Oddly, details about how [4]lightning is produced remains a
   topic of research. What is known is that updrafts carry light [5]ice
   crystals into collisions with larger and softer ice balls, causing the
   smaller crystals to become positively charged. After enough charge
   becomes separated, the rapid electrical discharge that is [6]lightning
   occurs. [7]Lightning usually takes a [8]jagged course, [9]rapidly
   heating a thin column of air to about three times the surface
   temperature of the [10]Sun. The resulting [11]shock wave starts
   [12]supersonically and decays into the [13]loud sound known as
   [14]thunder. Lightning bolts are common in clouds during rainstorms,
   and on average [15]44 lightning bolts occur on the [16]Earth every
   second. [17]Pictured, over 60 images were stacked to capture the flow
   of lightning-producing storm clouds in July over [18]Colorado Springs,
   [19]Colorado, [20]USA.

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                     Tomorrow's picture: stellar ribbons
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    Authors & editors: [35]Robert Nemiroff ([36]MTU) & [37]Jerry Bonnell
                                 ([38]UMCP)
          NASA Official: Phillip Newman [39]Specific rights apply.
              [40]NASA Web Privacy Policy and Important Notices
                A service of: [41]ASD at [42]NASA / [43]GSFC
                           & [44]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2009/LightningStorm_Randall_5184.jpg
   3. https://500px.com/thinkinbinary/about
   4. https://en.wikipedia.org/wiki/Lightning
   5. https://en.wikipedia.org/wiki/Lightning#/media/File:Graupel_animation_3a.gif
   6. https://apod.nasa.gov/apod/ap070205.html
   7. https://www.youtube.com/watch?v=Sn65RFvJKnk
   8. https://apod.nasa.gov/apod/ap120723.html
   9. https://en.wikipedia.org/wiki/Fulgurite
  10. https://solarsystem.nasa.gov/solar-system/sun/overview/
  11. https://apod.nasa.gov/apod/ap160522.html
  12. https://apod.nasa.gov/apod/ap070819.html
  13. https://apod.nasa.gov/apod/ap100427.html
  14. http://www.lightningsafety.com/nlsi_info/thunder2.html
  15. https://en.wikipedia.org/wiki/Distribution_of_lightning
  16. https://www.lightningmaps.org/
  17. https://500px.com/photo/164326109/twisted-storm-by-joe-randall
  18. https://youtu.be/KOOkEckdTeE
  19. https://en.wikipedia.org/wiki/Colorado
  20. https://en.wikipedia.org/wiki/United_States
  21. https://www.facebook.com/AstronomyPictureOfTheDay
  22. https://www.instagram.com/astronomypicturesdaily/
  23. http://twitter.com/apod/
  24. https://apod.nasa.gov/apod/ap200926.html
  25. https://apod.nasa.gov/apod/archivepix.html
  26. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  27. https://apod.nasa.gov/apod/lib/aptree.html
  28. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  29. https://apod.nasa.gov/apod/calendar/allyears.html
  30. https://apod.nasa.gov/apod.rss
  31. https://apod.nasa.gov/apod/lib/edlinks.html
  32. https://apod.nasa.gov/apod/lib/about_apod.html
  33. http://asterisk.apod.com/discuss_apod.php?date=200927
  34. https://apod.nasa.gov/apod/ap200928.html
  35. http://www.phy.mtu.edu/faculty/Nemiroff.html
  36. http://www.phy.mtu.edu/
  37. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  38. http://www.astro.umd.edu/
  39. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  40. https://www.nasa.gov/about/highlights/HP_Privacy.html
  41. https://astrophysics.gsfc.nasa.gov/
  42. https://www.nasa.gov/
  43. https://www.nasa.gov/centers/goddard/
  44. http://www.mtu.edu/