In 1958, Flagstaff, Arizona outlawed searchlights. Not billboards or neon. The kind that swing over a grand opening. Ordinance 400: nobody gets to own the night. The town's sky had a job. In the 1890s it was nicknamed Skylight City; Percival Lowell put an observatory on Mars Hill in 1894, and Clyde Tombaugh found Pluto there in 1930. Darkness was infrastructure. So the astronomers pushed back, and the city listened. By 1989 every public light had to be shielded and low-emission, strictest around the observatories. In 1999 the Flagstaff Dark Skies Coalition formed. One founder left Los Angeles so his kids could grow up under real stars. Part of being human, he said, is looking up at the stars and being awestruck. In 2001 the International Dark-Sky Association made Flagstaff the world's first International Dark Sky City, under a program the coalition proposed. Forty-three years after the ban, the title caught up. Satellites show a dark island in a sea of light. Pluto's light takes five and a half hours to reach Mars Hill. Most places add light to see. Flagstaff subtracts it, so older light can still arrive. The light that stepped aside, so we could all keep looking up.

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