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.

                                2024 March 19
   [2]The sun sets in the distance at the horizon end of a long road over
     open country. The sunset is very orange, as is the surrounding sky.
       Telephone poles line the right side of the road. Please see the
                 explanation for more detailed information.

                        A Picturesque Equinox Sunset
       Image Credit & Copyright: [3]Alan Dyer, Amazingsky.com, [4]TWAN

   Explanation: What's that at the end of the road? The Sun. Many towns
   have roads that run east-west, and on two days each year, the Sun rises
   and sets [5]right down the middle. Today, in some parts of the world
   (tomorrow in others), is one of those days: an [6]equinox. Not only is
   this a day of equal night [7]("aequus"-"nox") and day time, but also a
   day when the [8]sun rises precisely to the east and sets due west.
   Displayed here is a picturesque rural road in [9]Alberta, [10]Canada
   that runs approximately east-west. The [11]featured image was taken
   during the September [12]Equinox of 2021, but the geometry remains the
   same every year. In many cultures, this [13]March equinox is taken to
   be the first day of a season, typically spring in Earth's [14]northern
   hemisphere, and autumn in the [15]south. Does your [16]favorite street
   run east-west? Tonight, at sunset, you can [17]find out with a quick
   glance.

                    Tomorrow's picture: the eyes of march
     __________________________________________________________________

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     __________________________________________________________________

    Authors & editors: [29]Robert Nemiroff ([30]MTU) & [31]Jerry Bonnell
                                 ([32]UMCP)
          NASA Official: Amber Straughn [33]Specific rights apply.
            [34]NASA Web Privacy, [35]Accessibility, [36]Notices;
                A service of: [37]ASD at [38]NASA / [39]GSFC,
                         [40]NASA Science Activation
                           & [41]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2403/EquinoxSunset_Dyer_1701.jpg
   3. http://www.amazingsky.com/
   4. https://twanight.org/profile/alan-dyer/
   5. https://apod.nasa.gov/apod/ap100321.html
   6. https://apod.nasa.gov/apod/ap210922.html
   7. https://en.wiktionary.org/wiki/equinox#Etymology
   8. http://earthsky.org/astronomy-essentials/everything-you-need-to-know-vernal-or-spring-equinox
   9. https://youtu.be/COtpTM1MpAA
  10. https://en.wikipedia.org/wiki/Canada
  11. https://www.flickr.com/photos/amazingsky/51508883089/in/pool-apods/
  12. https://blogs.nasa.gov/Watch_the_Skies/tag/equinox/
  13. https://en.wikipedia.org/wiki/March_equinox
  14. https://en.wikipedia.org/wiki/Northern_Hemisphere
  15. https://apod.nasa.gov/apod/ap951222.html
  16. https://i.pinimg.com/originals/02/c2/09/02c20915a2e492de284d537ec0a4825e.jpg
  17. https://www.google.com/search?q=when+is+the+march+equinox+2024
  18. https://apod.nasa.gov/apod/ap240318.html
  19. https://apod.nasa.gov/apod/archivepix.html
  20. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  21. https://apod.nasa.gov/apod/lib/aptree.html
  22. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  23. https://apod.nasa.gov/apod/calendar/allyears.html
  24. https://apod.com/feed.rss
  25. https://apod.nasa.gov/apod/lib/edlinks.html
  26. https://apod.nasa.gov/apod/lib/about_apod.html
  27. https://asterisk.apod.com/discuss_apod.php?date=240319
  28. https://apod.nasa.gov/apod/ap240320.html
  29. http://www.phy.mtu.edu/faculty/Nemiroff.html
  30. http://www.phy.mtu.edu/
  31. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  32. http://www.astro.umd.edu/
  33. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  34. https://www.nasa.gov/about/highlights/HP_Privacy.html
  35. https://www.nasa.gov/general/accessibility/
  36. https://www.nasa.gov/privacy/
  37. https://astrophysics.gsfc.nasa.gov/
  38. https://www.nasa.gov/
  39. https://www.nasa.gov/centers/goddard/
  40. https://science.nasa.gov/learners
  41. http://www.mtu.edu/