Data: International Dark-Sky Association, GoAstronomy; Note: Dark sky places include Class 1 or Class 2 areas on the Bortle scale, a measure of light pollution; Distance calculated as a direct path; Map: Kavya Beheraj/Axios Metro Atlanta's light pollution could blind a UFO. Fear not: You can still find a dark sky for stargazing in Georgia. Why it matters: As light pollution grows, truly dark skies might get harder to find. That's a problem, as.