Arizona City Successful in Keeping Night Sky Dark

A decades-long commitment to preserving a dark sky for stargazers and wildlife is paying off for Flagstaff, with satellite images showing far less excess artificial light here than in cities of comparable size, the National Park Service said. The state, with mountain peaks and stretches of desert sky that are a haven for astronomers, is a leader in efforts to protect the dark, including using fewer lights or dimmed LED lights, the International Dark-Sky Association said. Arizona is home...

© La Voix de l'Amérique - mercredi 11 janvier 2017