30339 Zip Code (Vinings, GA) Detailed Profile. Cities: Vinings, GA (36.92%), Sandy Springs, GA (13.02%), Smyrna, GA (0.52%), Marietta, GA (0.23%) Counties: Cobb County, GA (86.98%), Fulton County, GA (13.02%)
  The moon measures about 2160 miles (3476 km) across. The distance is about one fourth the diameter of the Earth, and 400 times smaller than that of the sun.
The Moon has a solid iron-rich inner core with a radius of 240 km (150 mi) and a fluid outer core primarily made of liquid iron with a radius of roughly 300 km (190 mi). Around the core is a partially molten boundary layer with a radius of about 500 km (310 mi).