Kitt Peak at Night

Kitt Peak National Observatory enjoys a sky full of stars in Arizona as the city lights of Tucson illuminate it in the background.

Pictured from left to right: UArizona 1.8-meter Spacewatch Telescope, UArizona 0.9-meter Spacewatch Telescope, UArizona Bok 2.3-meter Telescope, and Nicholas U. Mayall 4-meter Telescope.