Tech Insider
An artist's impression shows a cross-section of the Earth. Inside subducted water-rich earth is shown going towards the core and magma is shown rising toward the surface.
An artist's impression of how water could seep into the Earth, creating a layer of crystals around the core.
Tech Insider
illustration of earth's core/mantle layers
An artist's conception of the different layer's of our planet, including the crust, mantle, and inner and outer cores.