What’s at the cen­tre of the Earth?

BBC Earth (Asia) - - Contents -

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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