5 Theories of the Formation of the Earth According to Experts (Discuss in full)
5 Theories of the Formation of the Earth According to Experts (Discuss in full) – Earth is the planet that we live in because only the planet earth has earth's gravity, then what was the process like for the formation of the earth? Here we will answer questions that friends will find in this post.
There are several things that we will discuss where the discussion is about the theories of complete experts. Now, to find out what are the theories of the experts that we will discuss, we will immediately start with the article below.
5 Theories of the Formation of the Earth According to Experts (Discuss in full)
Previously, let's discuss the meaning of the earth first.
Understanding Earth
Earth is a place where living things live. Approximately 250 million years ago, most of the continents formed on Earth were land masses known as Pangaea.
Approximately 200 million years ago Pangea split into two large continents to become Laurasia which is now divided into North America, Europe and several continents. parts of Central Asia and East Asia, and another major continent is Gondwana which is divided into South America, Africa India, Australia and parts of Asia which are other. Then parts of these two great continents split and drifted away causing a collision with the other parts.
As a planet where living things live, the earth is composed of several layers of earth. Where has a lot of materials for the formation of the earth, as well as all the natural wealth contained in the earth. The surface of the earth has different shapes, starting from land, seas, mountains, lakes, hills, and many others.
Earth is one of the planets that enter the solar system in the universe, but the earth is not just as quiet as what we have thought so far, instead the earth rotates on its axis or what is often called rotation and moves around the sun or is often called revolution and the center of the system Sun.
All of that is what causes day and night and the ebb and flow of sea water. Because of all that, the process of the formation of the earth was also caused by the formation of the solar system.
Formation of the Earth
The formation of the earth consists of the following theories
1. Fog Theory Or What Is Often Called (Nebula)
From the era before Christ, experts have thought about how the earth formed. And one of them is the fog theory or what is called a nebula which was introduced by Immanuel Kant in 1755 as well Piere de Laplace in 1796. Where they are both famous for Kant Laplace's fog theory.
This theory says that in the universe there are gases that gather to form fog or nebula. Where the attractive force between the gases which then forms a very large collection of fog and spins faster. Where is this very fast rotation process, fog material in the equator is thrown and separated and condenses due to cooling.
The part that is thrown becomes the planets in the solar system. The nebula theory is divided into several stages.
The sun and the planets are still in the form of gas, where the fog is still very thick and large. The fog is still swirling and twisting strongly and condensation occurs at the center of the circle and then forms the sun.
Then at the same time other matter formed into a smaller mass than the sun and then became planets, and moved around the sun. Then the material gets bigger and always makes regular movements around the sun in a fixed orbit then forms the level of the sun family.
2. Planetism Theory
Since the early 20th century, FOrest Ray Moulton an astronomer from America and his colleagues Thomas C. Chamberlain geologists, put forward the theory of the planetessimal hypothesis, that the sun was formed from a gaseous mass has a very large mass, when there are other stars that pass and are very close and almost happen crash. Too close a trajectory affects the gravitational force with the two stars which causes the gas and light matter that is at the edges to be attracted.
The influence of gravitational forces causes material to be thrown and leave the surface of the sun and the surface of the star. The ejected material shrinks and forms planetestimal clumps. Then the planetestimals cooled and condensed which formed planets around the sun.
3. Gas Tidal Tori (Tidal)
The theory put forward James Jeans And Harold Jeffrey in 1918, a large star approaching the sun with a short distance, which in turn makes the tides on the body of the sun, when the sun is in a gaseous state. The cause of the occurrence of sea tides is the mass of the moon and the distance between the moon and the earth is 60 times the radius of the orbit on earth.
But if a star whose mass is approaching its magnitude with the sun approaches, then it will form a kind of mountain wave on the sun's body, which occurs because of the star's attraction. The mountains will be incredibly high. It then forms a kind of enormous flare, which is extended by the mass of the sun and pointed toward the massive star. Gradually these columns will break apart and then they will become separate objects.
In this hot tongue there is a density of gases and eventually these columns will break, then separate into separate objects, namely planets. The big star that caused the pulling on the parts of the sun's body, continues its journey in the universe. So that gradually it will lose its influence on the planet that was shaped earlier.
The planets will revolve around the sun but when they surround the large planets the cooling process will be slow while on the small planets it will run faster.
4. Twin Star Theory
The theory put forward by an astronomer R.A Lyttleton, this theory explains that galaxies originated from a combination of twin stars.
Where one of the stars exploded throwing a lot of material. Meanwhile, the stars that do not explode are called suns and the stars that explode become the planets that surround the sun.
5. The Big Bang Theory
The big bang theory explains that the earth came from tens of billions of years ago. Where there is a very large wisp of fog rotating on its axis. The spin allows small parts to be thrown while the large parts unite and become the center of the formation of a giant disc.
The giant lump exploded and formed galaxies and nebulae. About 4.6 billion years The freezing that occurs makes nebulae form a galaxy called the Milky Way galaxy and then forms the solar system. The light that was thrown formed lumps that solidified. And the lump formed the planets.
Some explanation about 5 Theories of the Formation of the Earth According to Experts (Discuss in full) which has been described by About Knowledge. Earth is the only planet that has gravity so it can be a place for creatures to live live so preserve this earth and take good care of our earth for the future generations to come come. Hope it is useful.
Also read:
- Characteristics of Planets: Types of Planets and Their Characteristics
- Definition of the Solar System, Formed Theory and Structure (Complete)
- Definition of the Solar System and Members of the Solar System (Full Discussion)
- 10 Definitions of Theory According to Experts (Full Discussion)
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