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.

                               2023 November 6
   [2]The night sky over a valley is shown complete with the central band
    of the Milky Way Galaxy crossing up from the lower left. On the right
   the sky just over the hill glows an unusual red: aurora. Please see the
                 explanation for more detailed information.

                            Red Aurora over Italy
                 Image Credit & Copyright: [3]Giorgia Hofer

   Explanation: What was that red glow on the horizon last night? Aurora.
   Our [4]unusually active [5]Sun produced a [6]surface explosion a few
   days ago that sent out a burst of electrons, protons, and more massive
   charged nuclei. This [7]coronal mass ejection (CME) triggered
   [8]auroras here on Earth that are being reported [9]unusually far south
   in Earth's [10]northern hemisphere. For example, this was the first
   time that [11]the astrophotographer captured aurora from her home
   country of [12]Italy. Additionally, many images from these auroras
   appear quite [13]red in color. In the [14]featured image, the town of
   [15]Comelico Superiore in the Italian Alps is visible in the
   foreground, with the [16]central band of our [17]Milky Way galaxy seen
   rising from the lower left. What draws the eye the most, though, is the
   bright red [18]aurora on the far right. The [19]featured image is a
   composite with the foreground and background images taken consecutively
   with the same camera and from the same location.

              Aurora Album: [20]Selected images sent in to APOD
                      Tomorrow's picture: devil on mars
     __________________________________________________________________

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    Authors & editors: [32]Robert Nemiroff ([33]MTU) & [34]Jerry Bonnell
                                 ([35]UMCP)
          NASA Official: Phillip Newman [36]Specific rights apply.
              [37]NASA Web Privacy Policy and Important Notices
                A service of: [38]ASD at [39]NASA / [40]GSFC,
                         [41]NASA Science Activation
                           & [42]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2311/RedAuroraItaly_Hofer_1200.jpg
   3. https://www.giorgiahoferphotography.com/
   4. https://apod.nasa.gov/apod/ap230222.html
   5. https://science.nasa.gov/sun/facts/
   6. https://apod.nasa.gov/apod/ap180902.html
   7. https://www.nasa.gov/image-article/what-coronal-mass-ejection-or-cme/
   8. https://spaceweathergallery2.com/index.php?title=aurora
   9. https://cdn.petcarerx.com/blog/wp-content-uploads-2015-07-surprise-dog.jpg
  10. https://en.wikipedia.org/wiki/Northern_Hemisphere
  11. https://www.giorgiahoferphotography.com/about-me
  12. https://en.wikipedia.org/wiki/Italy
  13. https://www.theaurorazone.com/about-the-aurora/the-science-of-the-northern-lights/the-northern-lights-colours
  14. https://www.instagram.com/p/CzR9tpTOS7k/
  15. https://youtu.be/6-feWbfrYio
  16. https://apod.nasa.gov/apod/ap220301.html
  17. https://science.nasa.gov/resource/the-milky-way-galaxy/
  18. https://spaceplace.nasa.gov/aurora/
  19. https://www.instagram.com/p/CzR9tpTOS7k/
  20. https://www.facebook.com/media/set/?set=a.324394866955764&type=3
  21. https://apod.nasa.gov/apod/ap231105.html
  22. https://apod.nasa.gov/apod/archivepix.html
  23. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  24. https://apod.nasa.gov/apod/lib/aptree.html
  25. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  26. https://apod.nasa.gov/apod/calendar/allyears.html
  27. https://apod.com/feed.rss
  28. https://apod.nasa.gov/apod/lib/edlinks.html
  29. https://apod.nasa.gov/apod/lib/about_apod.html
  30. https://asterisk.apod.com/discuss_apod.php?date=231106
  31. https://apod.nasa.gov/apod/ap231107.html
  32. http://www.phy.mtu.edu/faculty/Nemiroff.html
  33. http://www.phy.mtu.edu/
  34. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  35. http://www.astro.umd.edu/
  36. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  37. https://www.nasa.gov/about/highlights/HP_Privacy.html
  38. https://astrophysics.gsfc.nasa.gov/
  39. https://www.nasa.gov/
  40. https://www.nasa.gov/centers/goddard/
  41. https://science.nasa.gov/learners
  42. http://www.mtu.edu/