How Thick Is Inner Core. The inner core may have a temperature up to about 13,000°f (7,200°c = 7,500 k), which is hotter than the surface of the sun. The top most outer layers consist of asthenosphere, lithosphere of 20 to 100km & crust of 30 km thick under the continents &.
The inner core is about 2200 km thick.
Journey to the very centre of the earth: Metals such as iron are magnetic, but rock, which makes up the mantle and crust, is not. How does inner core electron create such differences and and what are inner core electrons? The top countries of suppliers are china, japan, and taiwan, china, from which the percentage.