Question

What is the radius of core??? ​

Answer 1

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The core is believed to have two parts:

⏩ a solid inner core, with a radius of 1,220 km,

⏩ then a liquid outer core that extends to a radius of 3,400 km.

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Answer 2

Total radius of core is approx. 4620km.

Explanation:

• Around 4.6 billion years ago,earth was formed, it was a hot ball of  metal and molten rock.
• As it was mostly liquid inside, heavy elements such as iron and nickel sank down and settled at the core of planet.
• The core is divided into two parts: a solid inner core, having radius of 1,220 km, and a liquid outer core that have a radius of 3,400 km. The core is 80% iron, as well as nickel and some other elements such gold, platinum and uranium.

Hence,total radius of core is approx. 4620km.