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 April 9

                               A Flow of Time
                    Image Credit & Copyright: Paul Schmit

   Explanation: This surreal timelapse, landscape, panorama spans predawn,
   blue hour, and sunrise skies. Close to the start of 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 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 Sun rises over the distant
   peaks of the Sangre de Cristo Mountains. In between, exposures made
   during the spring morning's tantalizing 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: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
            NASA Official: Phillip Newman Specific rights apply.
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                      A service of: ASD at NASA / GSFC
                             & Michigan Tech. U.

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