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 ...
That’s the antipode, or opposite point on Earth’s surface, from my town. But I only had a garden spade to move the earth.
The mantle is Earth's largest layer of rocks. However ... This happened on Expedition 399 of a project called the IODP (International Ocean Discovery Program). As well as offering new insights ...