Planet Earth is a fascinating place full of life on its surface. But have you ever wondered what the center of the Earth is like? How will the internal structure of the planet be formed?
despite the earth core Although it is still a place to be explored by science, scientific data already has some essential information about the layers that guarantee the existence of this planet! For example, scientists discovered that the center of the Earth is 6,370 kilometers from the surface.
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Furthermore, the planet's interior is made up of three layers: crust, mantle and core. Each of these structures has its function and important characteristics, such as temperature and density.
Over the centuries, many scholars have created theories and tried to discover what is inside the Earth.
In fact, an expedition to the center of the Earth has already reached a depth of 12.2 km, but this adventure took around 20 years to complete. Currently, the
Why is it so difficult to get to the core? A simple answer is gravity! This force exerts a weight that makes exploration difficult.
Another factor is the extremely high temperature in the planet's core, as if it were the temperature of the Sun's surface, according to Space.
(Image: Freepik/Reproduction)
Factors such as temperature, density and force make it difficult for humans to reach the center of the planet, but other impediments occur due to the characteristics of inner layers of the Earth.
Each has its own structure that influences studies of what is inside the Earth. Check out!
Earth's crust
The outermost layer of the Earth's interior is the crust. It is also known as the lithosphere and is about 5 to 10 kilometers thick.
Despite seeming a great distance, it represents a minimum volume of the planet, being considered the smallest layer in size.
The crust is divided into continental and oceanic, therefore, it is thinner in the oceans and is formed by tectonic plates.
Earth's mantle
Secondly, the center has a layer known as the mantle, present between the lithosphere and the Earth's core.
In terms of volume, it represents 84% of the planet and is around 2,900 km, according to National Geographic. Its division is classified into upper mantle and lower mantle.
In this place, the heat and pressure are more intense, but the structure is still solid. It is a layer that has yet to be analyzed, but scientists already know that it stores a large amount of important minerals.
Earth core
The core is the layer at the center of the Earth and its structure is divided into an outer and inner core.
Basically, the outer layer is 2,200 km thick and is made up of iron and nickel. Its temperatures can reach around 4,500°C.
The inner core has a solid structure also made of iron and nickel and rotates in the same direction as the Earth's surface, but every 1,000 years, it makes an extra rotation, also according to Space.
Definitely, the study and analysis of the center of the Earth is essential for science, especially for geological research that observes the formation of the planet.
Just like the surface, each layer within it plays an important role in its functioning and continuity.
* With information from space It is National Geographic.
