Because the Chilean Andes are a great location for telescopes: they are extremely high and dry with some of the least precipitation in the world, and the place DES is located is very remote from towns (hence minimizing light pollution).
Because the Chilean Andes are a great location for telescopes: they are extremely high and dry with some of the least precipitation in the world, and the place DES is located is very remote from towns (hence minimizing light pollution).