Earth is made up of a liquid outer core and a solid inner core. The outer core is hot and dense. It is made up of nickel and iron. It is 2,300 km thick and temperature ranges from 4,300 K. It is approximately 5,150 km away lower from the Earth's surface. The radius of the Earth's outer core is 3.485 Km.
Earth is made up of a liquid outer core and a solid inner core. The outer core is hot and dense. It is made up of nickel and iron. It is 2,300 km thick and temperature ranges from 4,300 K. It is approximately 5,150 km away lower from the Earth's surface. The radius of the Earth's outer core is 3.485 Km.