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The exact size of the central part of the Earth’s inner core is determined

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Experts learned this by analyzing seismic vibrations that passed through the entire thickness of the Earth several times.

Australian seismologists discovered that the inner layer of the solid part of our planet’s core has a radius of 650 kilometers. This is stated in the journal Nature Communications.

“Earth’s inner core is the most unexplored part of our planet. We know even less about its isolated central part, whose radius, according to the first estimates of its findings, is supposed to be’ y about 300 km. We used a rare type of seismic vibrations that pass through the entire planet several times, to refine the measurements and study the properties of this layer, whose diameter has become larger than the first estimates, about 650 km,” the study said.

As is known, the bowels of the Earth consist of several layers – a solid crust of the earth, a semi-liquid mantle, and a molten outer and solid inner metallic core.

However, over the past twenty years, the solid part of the core has been spinning around its axis faster than all the other layers.

According to Australian National University professor Hrvoe Tkalchich and his colleague Thanson Pham, they analyzed all the strongest underground vibrations recorded by seismic stations around the world since 2010.

“The analysis confirmed that the inner layer of the solid part of the Earth’s core really exists, and also indicated that the size of this part of the core is greatly underestimated. Calculations show that the radius of the isolated central part of the core is almost 650 kilometers, which is twice the previous estimates,” experts added.

We remind you, earlier scientists from the Swiss Higher Technical School (ETH Zurich) found that the Earth may have cooled earlier than previously thought.

An unknown mantle layer has been found in the bowels of the Earth

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Source: korrespondent

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