Question
State the characteristics of the earth’s core.
Answer
- The earth’s core is divided into two parts: inner and outer core.
- The outer core is about 2200 km thick.
- Inner core has a thickness of about 1270 km.
- Both the inner and outer core are made of iron and nickel.
- The temperature of the outer core is about 3700°C.
- The inner core has a temperature of about 5500°C.
- Materials at the outer core have a density of 11gm/cc.
- The inner core has a density of 17gm/cc.
- The inner core exists in a solid state.
- The outer core exists in a molten state.
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