Mysteries of Earth Inner Core 😱 || What is below Earth ?

About the size of Pluto, Earth's inner core is made of solid iron and helps power the magnetic field that protects life from harmful space radiation.
The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm).