✨ Wonder

What is the Earth made of?

Crust, mantle and a core of iron. No one has ever been down there — but here you can open the globe and see for yourself. Drag the Earth to cut it open.

The crust thin as an eggshell The mantle solid, glowing-hot rock Outer core liquid iron Inner core solid — hot as the sun This is the Earth inside — layer upon layer
The crust
The mantle
Outer core
Inner core
12 km
is the deepest hole humans have ever drilled
3,000 km
thick mantle — made of solid rock
~5,000 °C
at the centre — about as hot as the sun's surface