Mama karácsony estéje

miles to the Earth's core, so the cola super deep is nothing.

And since grade school, we've been taught that the Earth is made up of the crust, the mantle, and the core.

And the core is two layers. The outer core is almost 1,400 miles thick and mostly made of liquid iron and nickel.

The inner core is a solid sphere with a radius of about 750 miles.

And the inner core is thought to be comprised mostly of iron and some nickel.