COMPARING INNER CORE AND OUTER CORE
The inner core and outer core are both metallic and are mainly made up of Iron.
- The inner core is the innermost layer of Earth while the outer core surrounds the inner core.
- The inner core is a ball which is solid and is made up of iron and nickel outer core is made of liquid iron and nickel
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- The inner core has a radius of 1,220 kilometers or 768 miles while the outer core has approximately 2,300 kilometers or 1,400 miles thick
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- The temperature in the inner core is estimated to be about 5,400 degrees Celsius or 9,800 degrees Fahrenheit while the outer core, the hottest region is about 3,730-7,730 degrees Celsius or 6,740-13,940 degrees Fahrenheit
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