Will mankind really leave the earth in the future 100?

For the sake of the earth, human beings survived. How long can they live? Is a difficult thing to answer.

From the biological point of view of species origin and biological evolution, it is an accident that people appear on the earth. It is only 200,000 years since the origin of human beings. Any living thing will be extinct, and human beings cannot escape the inevitable result of extinction. From this point of view, according to the survival law of mammals like humans on earth, it can generally last for about 3 million years.

Will mankind really try to leave the earth in the future 100?

At present, the earth is the only home for human survival. With the development of human science and technology, scientists constantly advocate interstellar migration. For example, Einstein and Hawking expressed their worries about the future of the earth, hoping that mankind can try to leave the earth and find a new home in space to cope with various crises in the future.

We will encounter many natural disasters on earth. Such as earthquake and tsunami. However, the natural factor that may affect the whole human existence is the impact of asteroids on the earth, which is an uncertain factor. The earth is always facing the risk of asteroid impact. An asteroid with a diameter of 50 meters can almost destroy a city. If a larger planet hits the earth, it will probably destroy the whole earth.

Judging from the speed of human evolution, according to the calculation of relevant experts, the average height of human beings in the world is about 1.73 meters and the weight is about 65 kilograms. 100 years later, the average height is about 1.86 meters and the weight is about 80 kilograms. According to this calculation, after 1 10,000 years, our human body will grow to an average of 2.5 meters and our weight will rise to about 200~300 kilograms. By then, our present Yao Ming will become a small Yao Ming, and the facilities of our present living standard will not adapt.

On the one hand, the natural evolution of living things is endless, and its volume will only get bigger and bigger. This is the natural law of biological development and the evolutionary result of irresistible natural selection. On the other hand, with the growing size of organisms, their survival function will become weaker and weaker, and their survival adaptability will gradually deteriorate, which is the inevitable result of development.

If we don't consider the evolution and extinction of species, the earth has existed for more than 4.55 billion years only from the environmental state on which we human beings depend. With the development of science and technology, the earth's resources are becoming more and more scarce, the natural environment is getting worse and worse, and the living conditions are getting more and more depressed.

With the development of human beings on the earth, the population began to increase and human consumption of the earth's resources. At present, human beings have seriously damaged the earth's ecological environment, which is also a matter of hindsight in the process of development.

Human development has destroyed the water, air and climate on the earth to a great extent, which not only led to the extinction of many animals and plants on the earth, but also endangered human development.

War, especially nuclear war, is also one of the important man-made factors that affect human survival on the earth. With the development of science and technology, nuclear weapons are more and more widely used by human beings. If a nuclear war breaks out, the result can be imagined. I believe everyone has heard of the destructive power of nuclear weapons.

Recently, scientists have simulated the influence of different factors on the habitability of the earth through a 3D computer model, including the future atmosphere, ocean and land, which is different from the previous simulation that only considered temperature. Draw a new conclusion: the earth will be livable in the next two billion years. Of course, the experiment does not deny that the increasing global warming trend will accelerate the rise of the earth's temperature and make it difficult for human beings to survive on the earth.