Astronomy Picture of the Day

    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

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

   Explanation: Can a lighthouse illuminate a galaxy? No, but in the
   featured image, gaps in light emanating from the Jose Ignacio
   Lighthouse in Uruguay appear to match up nicely, although only
   momentarily and coincidently, with dark dust lanes of our Milky Way
   Galaxy. The bright dot on the right is the planet Jupiter. The central
   band of the Milky Way Galaxy is actually the central spiral disk seen
   from within the disk. The Milky Way band is not easily visible through
   city lights but can be quite spectacular to see in 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 famous lighthouse.

                   Tomorrow's picture: perturbed galaxies
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       Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
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