The deepest point in the ocean, Challenger Deep in the Mariana Trench, sits nearly 11 kilometres below the surface — a depth so extreme that if Everest were dropped into it, the peak would still be covered by more than two kilometres of water

The Everest comparison is one of the rare scale facts that survives a careful check: at roughly 10,935 metres, Challenger Deep would bury Everest's 8,849-metre summit under more than two kilometres of water. What the picture leaves out is pressure, not distance. The post The deepest point in the ocean, Challenger Deep in the Mariana Trench, sits nearly 11 kilometres below the surface — a depth so extreme that if Everest were dropped into it, the peak would still be covered by more than two kilom