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 March 14
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                        Moonrise and Mountain Shadow
     Image Credit & [3]Copyright: Daniel Lopez ([4]El Cielo de Canarias)

   Explanation: [5]What phase of the Moon is 3.14 radians from the Sun?
   The Full Moon, of course. Even though the [6]Moon might look full for
   several days, the Moon is truly at its full phase when it is 3.14
   radians (aka 180 degrees) from the Sun in ecliptic longitude. That's
   opposite the Sun in planet Earth's sky. Rising as the Sun set [7]on
   March 9, only an hour or so after the moment of its full phase, this
   orange tinted and [8]slightly flattened Moon still looked full. It was
   photographed opposite the setting Sun from Teide National Park on the
   Canary Island of Tenerife. Also opposite the setting Sun, seen from
   near the Teide volcano peak about 3,500 meters above sea level, is the
   mountain's rising [9]triangular shadow extending into Earth's dense
   atmosphere. Below the distant ridge line on the left are the white
   telescope domes of [10]Teide Observatory

                     Tomorrow's picture: comet blizzard
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    Authors & editors: [22]Robert Nemiroff ([23]MTU) & [24]Jerry Bonnell
                                 ([25]UMCP)
          NASA Official: Phillip Newman [26]Specific rights apply.
              [27]NASA Web Privacy Policy and Important Notices
                A service of: [28]ASD at [29]NASA / [30]GSFC
                           & [31]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2003/MoonriseShadowDLopez_1.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. http://www.elcielodecanarias.com/
   5. https://solarsystem.nasa.gov/news/350/10-ways-to-celebrate-pi-day-with-nasa-on-march-14/
   6. https://earthsky.org/moon-phases/full-moon
   7. https://earthsky.org/tonight/super-worm-moon-on-march-9
   8. https://apod.nasa.gov/apod/ap161118.html
   9. https://apod.nasa.gov/apod/ap161021.html
  10. https://www.iac.es/en/observatorios-de-canarias/teide-observatory
  11. https://apod.nasa.gov/apod/ap200313.html
  12. https://apod.nasa.gov/apod/archivepix.html
  13. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  14. https://apod.nasa.gov/apod/lib/aptree.html
  15. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  16. https://apod.nasa.gov/apod/calendar/allyears.html
  17. https://apod.nasa.gov/apod.rss
  18. https://apod.nasa.gov/apod/lib/edlinks.html
  19. https://apod.nasa.gov/apod/lib/about_apod.html
  20. http://asterisk.apod.com/discuss_apod.php?date=200314
  21. https://apod.nasa.gov/apod/ap200315.html
  22. http://www.phy.mtu.edu/faculty/Nemiroff.html
  23. http://www.phy.mtu.edu/
  24. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  25. http://www.astro.umd.edu/
  26. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  27. https://www.nasa.gov/about/highlights/HP_Privacy.html
  28. https://astrophysics.gsfc.nasa.gov/
  29. https://www.nasa.gov/
  30. https://www.nasa.gov/centers/goddard/
  31. http://www.mtu.edu/