The home for human beings is called the earth, and the home for the earth is the solar system. For life on earth and the survival of mankind, the stability of the solar system is the most important. If there are some major changes in the solar system, it will affect the security and stability of the earth, and it will affect the life on the earth and the survival of mankind.
Will the solar system be stable forever in the future? I believe many of my friends understand that neither the earth nor the entire universe can have an eternal environment. I don’t know how many ecological changes have taken place on the earth in 4.6 billion years, and the universe has also undergone many changes in 13.8 billion years.
In the same way, the solar system cannot remain untouched in 5 billion years, and there will also be some major changes in the solar system in the future. Scientists suspect that two major events may happen in the future solar system, each of which is directly related to the destiny of the earth and the destiny of mankind. So what are the two major events?
The first major event: 5 billion years later, the life of the sun is coming to an end. Before mankind entered the age of science and technology, we basically knew nothing about the sun. In ancient times, people believed that the sun was a god and an eternal existence, but when we entered the age of technology, especially after we walked out of the earth, we have more and more knowledge of the sun.
Now, we all know that the sun is actually a star, and a star is a relatively common burning celestial body in the universe. The light and heat it emits brings some light and warmth to the dark and cold universe. Moreover, stars are also an important element processing and refining plant in the universe. At the time of the Big Bang, the elements that were born were basically hydrogen and helium, and there were no other heavy elements.
Later, after stars were born, hydrogen was continuously transformed through internal nuclear fusion, and only then did elements such as oxygen appear. The elements that can be transformed by stellar nuclear fusion are also limited. To form many heavy elements, another evolution of stars is required, that is, supernova explosions. Only a supernova explosion can form more heavy elements.
Therefore, a large number of heavy elements on the earth are the products of supernova explosions, which is also the origin of the solar system. According to the research of scientists, the solar system should be a continuation of a supernova explosion that originated 5 billion years ago. The huge energy produced by the explosion made the solar nebula at that time generate power, thus forming the stellar sun.
The various heavy elements produced by the supernova explosion also continued to form eight planets and other asteroids. Therefore, the earth and the solar system are rich in heavy elements, and the supernova explosion is actually the result of the end of life of massive stars. We all know that a star is not eternal, it also has its own life span. The larger the mass of the star, the shorter the life span.
Red dwarfs like the sun can only be regarded as small and medium stars, and their mass can make the sun live for 10-11 billion years. The sun has now gone through 5 billion springs and autumns, and in another 5 billion years, its life will come to an end. The life of the sun will come to an end because the hydrogen fuel needed for nuclear fusion in the sun is exhausted.
It is important to know that the main substance that composes the sun is hydrogen, and the internal nuclear fusion is constantly consuming hydrogen. When the sun’s hydrogen is consumed, the sun’s life will come to an end, and the hydrogen nuclear fusion will stop. The sun at this time It will not keep expanding. The swelling sun is very terrifying, it will continue to swallow Mercury and Venus, thus threatening the earth.
When the orbit of the sun extends near the orbit of the earth, the earth will become a fireball, a world of purgatory. Life on Earth will no longer exist at that time, and if humans want to survive, they can only migrate to Mars. Even if you get to Mars, it won’t take long after the expanding sun has swallowed the earth, and it will continue to get close to Mars, and Mars cannot survive for a long time.
Therefore, once the sun becomes a red giant, it declares that the solar system is no longer suitable for human survival. At that time, if human civilization still exists, it may have become a powerful interstellar civilization. Fully capable of leaving the solar system to survive in other galaxies. Even we can transform the earth into a planet that can emigrate like “The Wandering Earth”, and leave the solar system with the earth.
The second major event: Venus hit the earth. As for Venus, I believe everyone knows that it is the planet closest to the earth and is known as the sister planet of the earth. Although Venus and the Earth are very similar in terms of mass and volume, the ecological environment of the two is worlds apart. One is a beautiful planet of life, and the other is a hell-like environment.
It may be said that the orbits of Venus and the Earth are very stable. If it were not for the destruction of the sun, how could the two collide in the future? In fact, the cause of the collision between Venus and the Earth in the future is not because of itself, but from the third-party Mercury.
There were hundreds of planets in the early solar system, but because the solar system was still very unstable at that time, there was a planetary collision war between the planets. The collision between the planets left only eight large planets. At that time, the Earth also collided with a primitive planet named “Theia”, and the debris from the collision formed the current moon.
Although the planetary orbits of the current solar system are very stable, it is difficult to guarantee that there will be no planetary collisions in the future. Scientists predict that because Mercury is very close to the sun, its orbit is very unstable. As the sun continues to expand in the future, Mercury may be thrown out by the sun. Once Mercury is out of its current orbit, the first threat is Venus. Who made it the closest to Mercury?
If Mercury collides with Venus, the stable orbit of Venus will naturally be broken. If Venus is out of its orbit, it may collide towards the earth. If Venus collides with the earth, it will be a very terrible disaster. You must know that the mass of Venus is very close to that of the earth. If two rocky planets of the same size are In a head-on collision, the final outcome is that both Venus and Venus collapse to pieces and become fragments.
Some scientists have speculated that a beautiful ecological planet may have existed long ago before Venus and the Earth. Later, this planet collided with Venus and was destroyed, and because of this collision, the ecology of Venus changed drastically, and its orbit also changed to the opposite direction.
Of course, even if such a collision will happen in the future, it may be billions of years from now. If human civilization still exists, I believe that it has already become a powerful cosmic civilization. Naturally, a powerful civilization can solve the crisis facing the earth. This shows that the universe is not a safe, stable and secure environment, and no one knows when accidents will happen. Only a strong civilization can deal with the various cosmic disasters that may come.