The Outer Core – Earth’s Fascinating Layers, Part 3

Now that you have passed through the mantle, you are at the edge of the outer core. Can you swim?

The Crust: Earth’s Fascinating Layers, Part 1

Have you ever wondered what is beneath your feet? I am not talking about the grass and soil, but the material located miles below the land surface. If you stand in your backyard and dig a hole, what would you see?