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 December 20
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                           Late Afternoon on Mars
         Image Credit: [3]NASA, [4]JPL-Caltech, [5]Marco Di Lorenzo

   Explanation: Shadows grow long near sunset in this wide panoramic view
   from the [6]Curiosity rover on Mars. Made with Curiosity's navcam, the
   scene covers about 200 degrees from north through east to south (left
   to right), stitched together from frames taken by the Mars rover on sol
   2616. [7]That's just Earth date December 16. Curiosity is perched on
   top of a plateau [8]on Western Butte. The distant northern rim of Gale
   crater is visible along the left. Near center is [9]Central Butte,
   already visited by Curiosity. On the right, the shadow of the rover
   seems to stretch toward the base of Aeolis Mons (Mount Sharp), [10]a
   future destination. The monochrome navcam frames have been colorized to
   approximate the colors of the late martian afternoon.

                  Tomorrow's picture: solstice to solstice
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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/1912/N2616c.jpg
   3. http://www.nasa.gov/
   4. http://www.jpl.nasa.gov/
   5. https://www.facebook.com/marco.lorenzo.58
   6. https://mars.nasa.gov/msl/home/
   7. https://mars.nasa.gov/resources/24734/curiosity-rovers-location-for-sol-2616/?site=msl
   8. https://mars.nasa.gov/msl/mission-updates/sols-2615-2617-keeping-up-the-pace-on-the-western-butte/
   9. https://mars.nasa.gov/msl/mission-updates/8542/sols-2577-2578-en-route-around-central-butte/
  10. https://www.jpl.nasa.gov/news/news.php?feature=7400
  11. https://apod.nasa.gov/apod/ap191219.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=191220
  21. https://apod.nasa.gov/apod/ap191221.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/