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.

                              2019 September 26
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                                Da Vinci Rise
                  Image Credit & [3]Copyright: [4]Likai Lin

   Explanation: An old Moon rose this morning, its waning sunlit crescent
   shining just above the eastern horizon before sunrise. [5]But
   earthshine, light reflected from a bright planet Earth, lit the
   shadowed portion of the lunar disk and revealed most of a familiar
   lunar near side to early morning risers. In fact, a description of
   earthshine in terms of sunlight reflected by Earth's oceans
   illuminating the Moon's dark surface was written over 500 years ago by
   [6]Leonardo da Vinci. One [7]lunation ago this old Moon also rose above
   the eastern horizon. Its sunlit crescent and [8]da Vinci glow were
   captured in stacked exposures from the Badain Jilin Desert of Inner
   Mongolia, China on August 29, [9]2019. This year marks the 500th
   anniversary of Leondardo da Vinci's death.

                      Tomorrow's picture: annotated GC
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    Authors & editors: [21]Robert Nemiroff ([22]MTU) & [23]Jerry Bonnell
                                 ([24]UMCP)
          NASA Official: Phillip Newman [25]Specific rights apply.
              [26]NASA Web Privacy Policy and Important Notices
                A service of: [27]ASD at [28]NASA / [29]GSFC
                           & [30]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/1909/DaVinciRisingLikaiLin.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. mailto: kitey 2012 [at] gmail [dot]
   5. https://earthobservatory.nasa.gov/images/83782/earthshine
   6. https://www.mos.org/leonardo/
   7. https://apod.nasa.gov/apod/ap180912.html
   8. https://science.nasa.gov/science-news/science-at-nasa/2005/04oct_leonardo
   9. https://moon.nasa.gov/resources/373/moon-phase-and-libration-2019/
  10. https://apod.nasa.gov/apod/ap190925.html
  11. https://apod.nasa.gov/apod/archivepix.html
  12. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  13. https://apod.nasa.gov/apod/lib/aptree.html
  14. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  15. https://apod.nasa.gov/apod/calendar/allyears.html
  16. https://apod.nasa.gov/apod.rss
  17. https://apod.nasa.gov/apod/lib/edlinks.html
  18. https://apod.nasa.gov/apod/lib/about_apod.html
  19. http://asterisk.apod.com/discuss_apod.php?date=190926
  20. https://apod.nasa.gov/apod/ap190927.html
  21. http://www.phy.mtu.edu/faculty/Nemiroff.html
  22. http://www.phy.mtu.edu/
  23. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  24. http://www.astro.umd.edu/
  25. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  26. https://www.nasa.gov/about/highlights/HP_Privacy.html
  27. https://astrophysics.gsfc.nasa.gov/
  28. https://www.nasa.gov/
  29. https://www.nasa.gov/centers/goddard/
  30. http://www.mtu.edu/