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 November 19
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                     Milky Way over Uruguayan Lighthouse
                Image Credit & Copyright: [3]Mauricio Salazar

   Explanation: Can a lighthouse illuminate a galaxy? No, but in the
   featured image, gaps in light emanating from the [4]Jose Ignacio
   Lighthouse in [5]Uruguay appear to match up nicely, although only
   momentarily and coincidently, with [6]dark dust lanes of our [7]Milky
   Way Galaxy. The bright dot on the right is the planet [8]Jupiter. The
   central band of the [9]Milky Way Galaxy is actually the central
   [10]spiral disk seen from within the disk. The [11]Milky Way band is
   [12]not easily visible through city lights but can be quite spectacular
   to see in [13]dark skies. The featured picture is actually the addition
   of ten consecutive images taken by the same camera from the same
   location. The images were well planned to exclude direct light from the
   [14]famous [15]lighthouse.

                   Tomorrow's picture: perturbed galaxies
     __________________________________________________________________

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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]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/1911/LighthouseMilkyWay_Salazar_3892.jpg
   3. https://www.astropolo.com/
   4. https://www.youtube.com/watch?v=7pMqJNXXEjk
   5. https://en.wikipedia.org/wiki/Uruguay
   6. https://apod.nasa.gov/apod/ap190407.html
   7. https://solarsystem.nasa.gov/resources/285/the-milky-way-galaxy/
   8. https://apod.nasa.gov/apod/ap190205.html
   9. http://www.atlasoftheuniverse.com/galaxy.html
  10. https://apod.nasa.gov/apod/ap190702.html
  11. https://apod.nasa.gov/apod/ap070930.html
  12. https://petapixel.com/2017/02/09/light-pollution-changes-view-orion-constellation/
  13. https://darksitefinder.com/how-to-see-the-milky-way/
  14. https://www.welcomeuruguay.com/labarra-joseignacio/visit-jose-ignacio-lighthouse.html
  15. https://www.gettyimages.com/photos/jose-ignacio-lighthouse
  16. https://apod.nasa.gov/apod/ap191118.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=191119
  26. https://apod.nasa.gov/apod/ap191120.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. http://www.mtu.edu/