The earth is the home where human beings have lived for millions of years. The birth of human beings has upgraded the earth, a beautiful planet of life, into a civilized planet. However, the birth of human beings has also made the planet deteriorating and dying step by step.
Human beings began to walk into the road of scientific and Technological Development hundreds of years ago. With the rise of industrial revolution, the pace of human development is as fast as a rocket. In particular, the development of science and technology in the past century has been so rapid that human beings can not adapt to it.
Every day, human science and technology are progressing, and new technologies will be born. With the rapid development of science and technology, the living standard of human beings is getting higher and higher, which brings us great convenience, and also enables human beings to go out of the earth and begin to explore the universe.
However, the rapid development of science and technology has also brought a burden to the earth, making the earth’s ecological environment continue to deteriorate. Today’s earth, the global temperature caused by the greenhouse effect is rising, the resulting side effects are more and more obvious, El Nino phenomenon is more and more frequent, extreme climate is also more and more, flood and drought and other environmental problems are becoming increasingly serious, our earth is getting worse step by step, the future may no longer be suitable for human survival.
If the earth is no longer suitable for human survival, where is the future of human beings? Scientists think of the vast universe. Standing in the universe, we find that the earth is so small. There are countless earth like planets in the vast universe. As long as we can find these planets, we can migrate to other earth like planets in the future and continue the development of human beings.
Due to the limitation of human science and technology, we can’t send a probe to fly out of the solar system to explore. We can only explore and find earth like planets similar to the earth through astronomical telescopes. Through telescopes, scientists have found many earth like planets in the Milky way, which are close to the earth.
For us, the earth like planets that are too far away from the earth will not be accessible for a long time in the future. We can only choose the earth like planets that are closer to the earth. Therefore, the focus of scientists’ exploration is to find planets near the solar system that are suitable for human survival.
In 2017, scientists discovered a new earth. This earth like planet is only 39 light-years away from the earth. The diameter of the planet is about 1.45 times that of the earth, and its mass is 6.6 times that of the earth. Moreover, it is also in the livable zone, with mild sunshine, atmosphere and liquid water. Scientists are very excited after the discovery of this new earth, saying that this is the most exciting exoplanet explored by human beings in the past decade. Not only is it very similar to the earth, but more importantly, it is relatively close to the earth.
Scientists have also found planets in the galaxy that are more similar to the earth than this new earth, but such planets are too far away from the earth, ranging from hundreds of light-years to thousands of light-years. Although there may be earth like planets in the sky far away from the earth, it is difficult for us to reach them due to the limitation of human science and technology. Exoplanets that are only close to the earth are the first choice for future human migration.
The environment of the newly discovered earth like planet is superior to those previously discovered, which is very suitable for life. Only by slightly modifying the environment, human beings may be able to immigrate directly. Of course, there are still many doubts about this planet, such as, what’s the composition of its atmosphere? Whether there is enough oxygen for human breathing, and whether there are harmful gases in the atmosphere. The composition of liquid water should also be understood. Can it be drunk directly? If not, the water needs to be treated and purified. The environment of each planet must be different. We can’t judge the environment of other earth like planets based on the environment of the earth.
In addition to the environment of the planet itself, scientists should also consider another key point, that is, the possibility of intelligent life. Although human beings have not found any extraterrestrial life and civilization until now, scientists have always believed that extraterrestrial civilization exists in the vast universe, but human science and technology are still very backward, and there is no way to go out of the solar system to find them.
Although the requirements of alien intelligent civilization on the planet environment may be different, the possibility of birth of life and intelligent life will undoubtedly be higher on the earth like planet which is very similar to the earth. This newly discovered earth like planet is very similar to the earth, so the possibility of life and even intelligent life on it will be very large.
If intelligent life has been born and civilization has been formed on this planet, it is undoubtedly an act of aggression for human beings to immigrate to this planet, which will inevitably be resisted by alien civilization. This is not good news for human beings. It may lead to the failure of human migration to the planet in the future. The new planet that human beings want to choose is better than one that has not given birth to intelligent life.
For this newly discovered earth like planet, scientists will make long-term observation and analysis in the future, so as to learn more about it and prepare for future human migration. The distance of 39 light-years is a very short distance on the scale of cosmic distance, but it is still a distant distance for human science and technology.
If humans want to migrate to a planet 39 light-years away, the speed of the spaceship must at least reach sub light speed, so that it is possible to reach the planet in a hundred years or so. In addition, the spaceship also has a perfect gravity system, which can simulate the gravity of the earth, so that humans can spend a long journey in the universe. It may take a long time for human beings to realize these technologies.
Before human beings realize interstellar migration, we need to protect the earth’s environment, so that the deterioration of the earth’s ecological environment can slow down, and persist until the day when human beings can realize migration. Otherwise, it is possible that before the day when human beings realize migration, the earth’s ecology has been completely destroyed and cannot be suitable for human survival, and the fate of human beings will be very bad .
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