The universe is vast, and our solar system is just one of countless galaxies, not even dust. It is such a small solar system that the earth, an intelligent and civilized planet, was born. All of a sudden, the solar system has become an extraordinary galaxy.
There are eight planets in the solar system. At present, only the earth is found to be a living planet. The reason why the earth can become a living planet is that it is in the habitable zone. Therefore, when scientists explore extraterrestrial life, they also take the habitable zone as an important condition to judge whether a planet has the possibility of life.
Besides the earth, there are also Venus and Mars in the habitable zone of the solar system. With the continuous exploration in recent decades, people have learned a lot about Mars. The main reason why we can know so much about Mars is that the environment on Mars is not particularly bad, and the atmosphere on Mars is very thin. Human probes can detect Mars very well, and they can also land on Mars for long-term walking exploration.
Many people may think that Mars is the most explored and launched probe after human beings go out of the earth. In fact, we don’t know that scientists are also very concerned about Venus. Scientists have launched more than 30 probes to Venus, which is no less than Mars. But then scientists began to pay less attention to Venus and focused on Mars.
So why don’t scientists pay so much attention to Venus? The main reason is that Venus is too difficult to detect. As we all know, Venus is the neighbor of the earth and is relatively close to the earth. Because Venus is similar to the earth in many ways, scientists call it the Sister star of the earth. However, it is such a planet. Its environment is very different from the earth. Its surface environment is so bad that it can be described as purgatory.
The radius of Venus is 6073 kilometers, 300 kilometers smaller than the radius of the earth. Its volume is 87% of the earth’s, its mass is 81.5% of the earth’s, and its average density is 95% of the Earth’s. The internal structure of Venus is similar to that of the earth, which is also divided into core, mantle and crust. There are volcanic landforms, craters, plains, plateaus, mountains, deep valleys and so on on on the surface. If only from these data, it is not too much to call Venus the “sister planet” of the earth.
But that’s just a representation of Venus. Venus has a dense atmosphere, 97% of which is carbon dioxide, followed by nitrogen, and a small amount of sulfuric acid, carbon monoxide and other gases. The thick sulfuric acid cloud in the atmosphere reaches 20-30 km. The density of Venus is 50 times that of the earth’s atmosphere, and the pressure is as high as 90 bar, which is equivalent to the pressure of 900 meters deep in the earth’s ocean.
Because the concentration of carbon dioxide in Venus atmosphere is too high, resulting in a strong greenhouse effect, making its surface temperature as high as 480 degrees Celsius, plus Venus has a thick acid rain layer, so Venus often has acid rain. Under such harsh conditions, it is difficult for the Venus probe to detect the surface of Venus in the outer space orbit.
The probes launched by scientists have landed on the surface of Venus for many times, but the survival time of these probes on the surface of Venus is very short. Many of them lost contact soon after breaking through the atmosphere, and the longest probe only stayed on the surface of Venus for more than 100 minutes. Although I stayed for a very short time, I still took a lot of precious pictures of the surface of Mars. Through these pictures, scientists really realized the bad degree of the surface environment of Venus.
The difficulty of Venus exploration was so high that scientists gradually ignored it, so since 2005, people have focused more on Mars, Jupiter, Saturn and their moons. Although the attention of Venus declined later, some scientists still continue to study and explore Venus, hoping to make significant discoveries in Venus. Especially in recent years, scientists have found life in some extreme environments of the earth, such as some extremely cold and hot areas, which shows that the adaptability of life to the environment is far beyond us Thus, scientists’ requirements for the survival of extraterrestrial life in the environment have been changed.
Therefore, some scientists began to re analyze the data of some Venus probes, hoping to explore the possibility of the survival of Venus. Some time ago, an article was published in the journal progress in physical science, which said that Russian experts have found new evidence for the existence of life on Venus.
By analyzing the data about Venus from the “Venus 9”, “Venus 10”, “Venus 13” and “Venus 14” probes, scientists have made a new processing of the panoramic image of the surface of Venus. From the image, we can see slow moving objects with stable structure. What will these moving objects be?
These moving objects in the image have obvious size and shape characteristics, which can be distinguished from the geological structure, and their positions are changed in each image. Russian experts speculated that the “creatures” in the image were moving independently, rather than being caused by strong winds as previously thought. In fact, this is the precious data that was captured in a very short period of time by the former Venus probe.
Scientists believe that although the environment of Venus is bad, Venus is a planet with a thick atmosphere, and its atmospheric structure is completely different from that of the earth. Venus contains clouds, which are located 50-70 km away and composed of sulfuric acid droplets with water content of 15-25%. Previously, scientists found that there is a so-called “unidentified ultraviolet absorber” in this area, which absorbs half of the solar energy coming to Venus, and this area may be the “source” of life.
The very high temperature on the surface of Venus also means that there is no water on the surface of Venus. Even so, some scientists believe that there is still the possibility of life on the surface of Venus. Although water is the source of life in our cognition, life evolved in a specific environment may not need water and oxygen to survive. Life also exists in the vicinity of the earth’s volcanoes, which indicates that life can exist in extremely high temperature environment.
Although scientists are not sure exactly what the moving objects on the surface of Venus are, Russian experts’ new analysis and speculation have reactivated human interest in Venus. It is possible that in the near future, human beings will restart the Venus exploration program. I believe that with the continuous progress of space science and technology, new acid resistant and high temperature resistant materials will appear in the future. A human probe could land on Venus for long-term exploration, and there might be more discoveries at that time.
Although Mars is currently regarded as the future migration planet for human beings, Mars has a very big disadvantage, that is, it does not have a thick atmosphere. It is very difficult for human beings to survive without the protection of a thick atmosphere. Venus, however, has a thick atmosphere, and other geological conditions are most similar to those of the earth.
As long as scientists can develop the technology to transform the atmosphere in the future, maybe they can transform the atmosphere of Venus to adapt to the survival of human beings. At that time, Venus will become a more suitable new earth for human beings.
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