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 April 9
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                               A Flow of Time
                 Image Credit & [3]Copyright: [4]Paul Schmit

   Explanation: [5]This surreal timelapse, landscape, panorama spans
   predawn, blue hour, and sunrise skies. Close to the start of [6]planet
   Earth's northern hemisphere spring, the flow of time was captured
   between 4:30 and 7:00 am from a location overlooking northern New
   Mexico's Rio Grande Valley. In tracked images of the [7]night sky just
   before twilight begins, the Milky Way is cast across the southern
   (right) edge of the panoramic frame. Toward the east, a range of short
   and long exposures resolves the changing brightness as the [8]Sun rises
   over the distant peaks of the Sangre de Cristo Mountains. In between,
   exposures made during the spring morning's tantalizing [9]blue hour are
   used to blend the night sky and sunrise over the high desert landscape.

             Tomorrow's picture: a full moon of northern spring
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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/2004/Flow_of_time_APOD.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://www.paulschmitphotography.com/
   5. https://www.facebook.com/groups/milkywaychasers/permalink/2188888534683969/
   6. https://www.youtube.com/playlist?list=PLO0ZfOiXWrusgFO7ijj0hyPAkNjWdUgii
   7. http://twanight.org/newTWAN/index.asp
   8. https://www.google.com/search?q=sunrise&tbm=isch
   9. https://apod.nasa.gov/apod/ap191011.html
  10. https://apod.nasa.gov/apod/ap200408.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=200409
  20. https://apod.nasa.gov/apod/ap200410.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/