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 July 24

                                MAGIC NEOWISE
                  Image Credit & Copyright: Urs Leutenegger

   Explanation: The multi-mirror, 17 meter-diameter MAGIC telescopes
   reflect this starry night sky from the Roque de los Muchachos European
   Northern Observatory on the Canary Island of La Palma. MAGIC stands for
   Major Atmospheric Gamma Imaging Cherenkov and the telescopes can see
   the brief flashes of optical light produced in particle air showers as
   high-energy gamma rays impact the Earth's upper atmosphere. On July 20,
   two of the three telescopes in view were looking for gamma rays from
   the center of our Milky Way galaxy. In reflection they show the bright
   stars of Sagittarius and Scorpius near the galactic center to the
   southeast. Beyond the segmented-mirror arrays, above the northwest
   horizon and below the Big Dipper is Comet NEOWISE. NEOWISE stands for
   Near Earth Object Wide-field Infrared Survey Explorer. That's the
   Earth-orbiting satellite used to discover the comet designated C/2020
   F3, but you knew that.

   Comet NEOWISE Images: July 23 || 22 || 21 || 20 || 19 || 18 || 17 || 16
                || 15 || 14 || 13 || 12 || 11 || 10 & earlier
                 Tomorrow's picture: from a rotating planet
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       Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
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