Although this inner core is white hot, the pressure is so high ... Earth's magnetic field and is about 1,400 miles (2,300 kilometers) thick. The next layer is the mantle. Many people think of ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A new study published in Nature Geoscience claims that the Earth’s inner core may ...

It is the thinnest layer and is between 5 and 90 km thick. Earth is divided into four layers: the inner core, the outer core, the mantle and the crust. The solid inner core is made of iron and ...

A new preprint study looking at data from NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat ...