Does the sun have any effect on this temperature? If the sun is not effective at this point, To what does the earth owe its heat?
Bride, Let’s investigate.
The world is arranged layer by layer, like the structure of an onion.

First of all, if you look from top to bottom; crust, lower down the mantle, which consists mainly of rocks, and further down the mantle, which consists of liquid iron. outer core and finally an inner core consisting of solid iron There is.
The deeper you go, the higher the temperature. So that some parts of the core, It is as hot as the surface of the sun. For example, when you reach the boundary between the mantle and the outer core, that is, 2900 kilometers away, the temperature reaches about 2700 degrees Celsius.
Then the temperature at the boundary between the outer and inner cores doubles and becomes almost up to 6,000 degrees Celsius reaches. This is the part that is as hot as the surface of the sun. At such a high temperature, metals, diamonds, people, almost everything vaporize and turn into gas.
But since the core deep within the planet is under very high pressure, the iron that composes it remains liquid or solid.
Let’s see where all this heat is coming from.

Although sunlight warms us and all plants and animals on the Earth’s surface, it fails to reach many kilometers beyond the planet’s interior. Instead, there are two different sources.
The first is that of Earth It is the heat it inherited during its formation 4.5 billion years ago. Moreover, the Earth is formed from the solar nebula, a huge cloud of gas between countless collisions and mergers between pieces of rock and debris. This process obviously took millions of years.
These clashes took place produced large amounts of heat. Although some of this heat is lost into space, the rest is, as it were, locked up in the Earth and remains there.
The other heat source is the decay of radioactive isotopes spread across the Earth.

Radioactive isotopes are not stable. They emit a steady stream of energy that turns into heat. Potassium-40 for example, thorium-232, uranium-235 and uranium-238are four of the radioactive isotopes that keep the Earth’s interior warm.
These isotopes, which together with the hot core and mantle release energy, make the movement of the plates possible. It helps dissipate heat. In summary, there are two different reasons why the Earth’s core can remain warm for billions of years, just like the sun. This way the earth stays warm.
Sources: Aerospace, IFL Science
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