Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique. Earth is made out of different layers, and those layers get hotter and more ...

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 ...

Here are some fun facts about Earth as we celebrate this planet we ... Apple | Google Play << The Earth’s structure is composed of four main layers: the inner core, the outer core, the mantle ...