A picture taken on July 15, 2020 shows the green laser beam used by the Haute-Provence Observatory to point celestial objects for studies and researches in the starry night in Saint-Michel-L'Observatoire, southern France. - The Northern Hemisphere's skies offer this summer the beautiful spectacle of a comet, named "NEOWISE", whose exceptionally bright plume is visible to the naked eye, a phenomenon that has not happened for more than 20 years. The comet was discovered by NASA's Near-Earth Object Wide-field Infrared Survey Explorer satellite, or NEOWISE, on March 27, 2020. (Photo by CLEMENT MAHOUDEAU / AFP)