What’s at the centre of the Earth?
We live on the surface of a dense, rocky ball, but science has allowed us to discover what is beneath us and, deep within the core
There is no way for us to dig down to the Earth’s core to take a peep at what’s inside – it’s just too far away (and too hot!). Instead, researchers have to use seismometers and clever measurements to establish the composition of our planet’s interior
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