Why didn’t scientists bring Martian soil back to earth for research? The consequences can be very serious

With the help of science and technology, human beings finally walked out of the earth, saw the vast universe, and realized the dream of flying for tens of thousands of years. When human beings really see the vast universe, they will understand how ignorant many of our cognitions were in the past, and at the same time, they will have unlimited interest in exploring the universe.

The moon is the first planet that human beings explore when they go out of the universe, because it is closest to the earth, and it only takes about a week to reach it. So 50 years ago, during the space race between the United States and the Soviet Union, in order to show its strength, the United States launched the manned lunar landing program, which is also known as the Apollo lunar exploration program.

Although the space technology 50 years ago was not as good as it is now, the Apollo program of the United States was still perfectly realized. The United States sent 12 astronauts to the moon several times and successfully returned. At that time, we had a further understanding of the moon. When the lunar astronauts returned to earth, they did not return empty handed, but brought back some lunar soil and rocks, which are of great significance for human beings to study the moon.


Now the scientific community is very recognized that the moon originated from a planetary impact on the earth, and this origin is derived from the soil and rock brought back by the moon. Therefore, it is very important to study and explore the history of a planet. Since the U.S. completed its manned landing on the moon 50 years ago, it has focused on exploring Mars, while other space powers have also focused on Mars.

According to statistics, in the past half century, mankind has launched more than 40 probes to Mars. Of course, not all of them have been successful. The success rate is only 40%. Although the success rate is not very high, there are still many successful Mars orbiters and landers. Through the observation of these probes, we have a more comprehensive understanding of Mars.

Here many people have a question: why didn’t scientists bring the Martian soil and rocks back to earth for research? Through the study of lunar soil and rocks, scientists know the origin of the moon, but also have a lot of knowledge of the moon. If we can also study the Martian soil and rocks, we may be able to learn more about the unknown mysteries of Mars.

Since the study of Martian soil and rocks is very important to human beings, why not bring back some Martian soil and rocks? Some people may think that with the current human technology, we can’t successfully bring back the soil and rocks from Mars. Is that really the case? Of course not. Although it is very dangerous to land a man on Mars at the present level of human science and technology, there is still a great hope of success in landing on Mars with some soil and rocks.


Since technology can be realized, why not do it? In fact, the main reason is still afraid to bring the earth and mankind unknown terrible disaster. Why?

To solve this mystery, let’s first compare the soil environment of the next moon and Mars. The moon does not have any atmosphere, its surface is the real state. Since there is no atmosphere, solar wind and cosmic radiation can invade the moon without hindrance, and there is no water on the surface of the moon. If there is no atmosphere, it means there is no ecosystem of its own. Naturally, life is unlikely to be born in this planetary environment. Therefore, life is unlikely to exist in the lunar soil and rocks, and there is no possibility of infecting and polluting the earth’s environment and organisms.

The environment of Mars is totally different from that of the moon. Mars has a thin atmosphere, so Mars still has a certain self ecosystem. And through the continuous exploration of Mars by the probe, we have found that there are many huge ancient river beds on the surface of Mars. These ancient river beds tell us that there were a lot of water resources on the surface of Mars a long time ago. At the same time, the probe also found the existence of organic molecules on the surface of Mars and in the atmosphere.


Therefore, scientists speculate that long ago Mars was also a planet of life as beautiful as the earth, but later, I don’t know what great changes have taken place, and it has become the desolation now. If life had been born on Mars a long time ago, would there be life now? Some people may say that life is so fragile and the environment has changed dramatically that they can’t last.

However, through the exploration and research of life on earth, scientists have found that the tenacity of life is beyond our imagination. Even though the ancient bacteria and viruses that have been frozen for thousands, tens or millions of years, they are still successfully revived in the laboratory. Through the example of life on earth, we understand that if a microorganism has been frozen for millions of years, it is still hopeful that it can be revived after encountering the appropriate temperature and environment.

So is life on earth, so is Mars. It is possible that the Martian virus in ancient times was frozen in the soil due to great changes in the environment. If we bring the Martian soil back to earth, it may come back to life at the right temperature. We should know that the internal structure and immune cells of life on different planets may be completely different.

Once Mars life infects and pollutes the earth’s environment and life, it may bring a biochemical crisis. The emergence of alien viruses in movies and TV plays has brought the crisis of doomsday, which may be about to be staged in reality. Therefore, for the safety of the earth and human beings, scientists dare not easily bring the Martian soil back to earth. Even if manned landing on Mars is realized in the future, we can only study Martian soil on Mars or in space.


Not only Mars may have a life crisis, but other planets may also have simple life. Therefore, after the end of the exploration mission, the probes of other planets basically choose to abandon or crash the planet instead of taking the probes back. For example, the Jupiter probe Cassini crashed directly into Jupiter’s atmosphere after the mission was completed. The reason for scientists to do so is to prevent the earth life carried by the probe from polluting Jupiter.

Through these, we also understand that space exploration needs to face many unknown risks, among which the risk of alien life is undoubtedly the biggest. Because in space exploration, we don’t know when we may carry alien life, because microorganisms like bacteria can’t be seen by naked eyes and can easily avoid the detection of instruments.

Therefore, in the future, after astronauts complete landing exploration on other planets and return to earth, they need to enter strict isolation and closed detection to carry unknown alien life to earth. Of course, if human beings go to other planets for exploration, it is also possible to bring life to the earth, thus polluting the alien environment and bringing about unknown changes.


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