The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

Together, these layers protect us from the sun’s harmful radiation and keep temperatures on Earth habitable for all ... pleased to partner with Hong Kong Science Museum and Hong Kong Space ...

Earth science concentrates on investigating how the planet works and why. This field delves into the many layers of the Earth and explains how those pieces fit together into a cohesive structure.

These days, I’m a geophysicist and know a lot more about Earth’s structure. It has three main layers: The outer skin ... However, the Kola project was eventually abandoned because of drilling ...