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.

                              2022 September 4
   [2]The featured image shows rock outcrops off the coast of Oregon, USA,
     with blue bioluminescence in the water and the central band of our
      Milky Way galaxy in the sky. Please see the explanation for more
                            detailed information.

                   Sea and Sky Glows over the Oregon Coast
                  Image Credit & Copyright: [3]Rudy Montoya

   Explanation: Every step caused the sand to light up blue. That glow was
   [4]bioluminescence -- a blue radiance that also lights the surf in this
   surreal scene captured in mid-2018 at [5]Meyer's Creek Beach in
   [6]Oregon, [7]USA. Volcanic [8]stacks dot the foreground sea, while a
   thin [9]fog layer scatters light on the horizon. The rays of light
   spreading from the left horizon were created by car headlights on the
   [10]Oregon Coast Highway ([11]US 101), while the orange light on the
   right horizon emanates from a fishing boat. Visible far in the distance
   is the band of our [12]Milky Way Galaxy, appearing to rise from a dark
   rocky outcrop. Sixteen images were added together to bring up the
   [13]background Milky Way and to [14]reduce noise.

   Your Sky Surprise: [15]What picture did APOD feature on your birthday?
                                 (post 1995)
                      Tomorrow's picture: space cliffs
     __________________________________________________________________

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     __________________________________________________________________

    Authors & editors: [27]Robert Nemiroff ([28]MTU) & [29]Jerry Bonnell
                                 ([30]UMCP)
          NASA Official: Phillip Newman [31]Specific rights apply.
              [32]NASA Web Privacy Policy and Important Notices
                A service of: [33]ASD at [34]NASA / [35]GSFC,
                         [36]NASA Science Activation
                           & [37]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2209/MilkyWayOregon_Montoya_1500.jpg
   3. mailto: rmontoya @at@ soscrane .dot. com
   4. https://ocean.si.edu/ocean-life/fish/bioluminescence
   5. https://youtu.be/8t0FqanT1TA?t=755
   6. https://en.wikipedia.org/wiki/Oregon
   7. https://en.wikipedia.org/wiki/United_States
   8. https://en.wikipedia.org/wiki/Stack_(geology)
   9. https://apod.nasa.gov/apod/ap100504.html
  10. https://apod.nasa.gov/apod/ap180717.html
  11. https://en.wikipedia.org/wiki/U.S._Route_101
  12. https://solarsystem.nasa.gov/resources/285/the-milky-way-galaxy/
  13. https://apod.nasa.gov/apod/ap211025.html
  14. https://phillyvoice-production.s3.amazonaws.com/media/images/06302017_dog_with_headphones_iStoc.2e16d0ba.fill-735x490.jpg
  15. https://apod.nasa.gov/apod/calendar/allyears.html
  16. https://apod.nasa.gov/apod/ap220903.html
  17. https://apod.nasa.gov/apod/archivepix.html
  18. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  19. https://apod.nasa.gov/apod/lib/aptree.html
  20. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  21. https://apod.nasa.gov/apod/calendar/allyears.html
  22. https://apod.nasa.gov/apod.rss
  23. https://apod.nasa.gov/apod/lib/edlinks.html
  24. https://apod.nasa.gov/apod/lib/about_apod.html
  25. http://asterisk.apod.com/discuss_apod.php?date=220904
  26. https://apod.nasa.gov/apod/ap220905.html
  27. http://www.phy.mtu.edu/faculty/Nemiroff.html
  28. http://www.phy.mtu.edu/
  29. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  30. http://www.astro.umd.edu/
  31. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  32. https://www.nasa.gov/about/highlights/HP_Privacy.html
  33. https://astrophysics.gsfc.nasa.gov/
  34. https://www.nasa.gov/
  35. https://www.nasa.gov/centers/goddard/
  36. https://science.nasa.gov/learners
  37. http://www.mtu.edu/