A study published in September questioned the pattern of the composition of the Earth’s inner core that has persisted for more than half a century. Scientists believe that the deepest part of our planet is not the solid iron ball we learned in school.

Researchers from the University of Hawaii in the United States pointed out that the seismic data collected from the earth shows that the core is not a solid iron ball, but a mixture of hard metal, soft medium and liquid.

Since the 1950s, science has known that the interior of the earth is not hollow, but because heat and pressure prevent the use of any type of detector, the core of the earth has not actually been explored.

The research was published in the scientific journal on September 20. Published in Geophysics and Planetary Interiors.

To conclude that the core of the earth is not solid, geophysicists use seismic wave data generated by earthquakes. Researchers mainly use vibration to reconstruct a view of the inner workings of the planet-as if it were a CT scan of the Earth.

Two main types of seismic waves are analyzed: linear compression waves and undulating shear waves. When traveling on land, everyone may behave differently.

With it, scientists have verified how seismic waves generated at five different points on the earth pass through the inner core of the earth and reach both sides of the earth.

The analysis of the data revealed something that did not go as planned: seismic shear waves, which should behave like passing through a solid metal sphere, reaching a composite structure between carbide, liquid iron, "mushy" and semi-metal. Solid metal. Disappeared-solid.

According to Rhett Butler, a geophysicist at the Hawaii Institute of Geophysics and Planetary Science, the calculation of the seismic waves is correct, and the results indicate that the structure may only be the core of the planet.

Butler told Live Science, "We have seen evidence that not only is it not soft in some places, it is actually harder in other places. Therefore, we have seen many details inside the kernel that we have never seen before." "

This new discovery shows that the core of the earth is still shrouded in mystery, and due to their thermal and atmospheric properties, many of them may never be solved.

"The more we look at the core, the more we realize that it is not an iron ball. We are discovering a new hidden world. Unless something terrible happens to our planet, we will never see the earth." It will not be possible to directly observe the origin. Jessica said, Owen, a seismologist from the University of Bristol in the United Kingdom, said in a commentary on the field of science at the venue. He was not involved in learning.

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