Scientists find giant 600-mile wide ‘megastructures’ buried deep below Earth’s surface

Scientists find giant 600-mile wide ‘megastructures’ buried deep below Earth’s surface

 

Geologists have discovered mysterious giant structures hidden deep within the Earth.

We know less about the interior of the Earth than we do about the surface of the Moon.

No-one, not even a robot probe, has ventured deeper than a few miles into the Earth’s crust.

While we know that motion at the core of the Earth generates the magnetic field that protects us from deadly solar radiation, the science behind how this field is generated is not fully understood.

Even the theory of plate tectonics – the mechanism behind continental drift that causes earthquakes and volcanoes – was not generally accepted until after the First World War.

Now data from hundreds of major earthquakes has helped a team led by Doyeon Kim at the University of Maryland in the US discover a strange new structure beneath the Marquesas Islands in the South Pacific Ocean.

 

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