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.

                                 2020 June 9

                       Orion over Argentine Mountains
                  Image Credit & Copyright: Nicolas Tabbush

   Explanation: Do you recognize the constellation of Orion? It may be
   harder than usual in today's featured image because the camera has
   zoomed in on the center, and the exposure is long enough to enhance
   nebulas beyond what the unaided human eye can see. Still, once you
   become oriented, you can see Orion's three belt stars lined up
   vertically near the image center, and even locate the familiar Orion
   Nebula on the upper left. Famous faint features that are also visible
   include the dark Horsehead Nebula indentation near the image center,
   and the dusty Flame Nebula just to its right. Part of the
   Orion-encircling Barnard's Loop can also be found on the far right. The
   image combines multiple sky-tracking shots of the background in
   different colors with a single static foreground exposure taken at
   twilight -- all captured with the same camera and from the same
   location. The picturesque scene was captured early last year from
   mountains in San Juan, Argentina.

                  Tomorrow's picture: milky way's magnetism
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       Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
            NASA Official: Phillip Newman Specific rights apply.
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                             & Michigan Tech. U.

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