Why can moon rocks be brought back to earth for research, but Mars rocks can’t?

The vast universe is full of mystery. When human beings walk out of the earth for the first time and really face the universe, people all want to uncover the mystery of the universe one day. However, the road has to be taken step by step. As mankind has just stepped out of the earth, the first thing to explore is the solar system. In the whole process of exploring the solar system, the first planet to explore is the moon.

The moon is the earth’s satellite, accompanied by the earth for billions of years, from ancient times to the present, all kinds of myths and legends about the moon accompany the growth of generations. I believe many young friends have heard many legends about the moon when they were young. In ancient times, people thought that the moon was the palace where immortals lived. It was a beautiful place.

However, as human beings walked out of the earth and landed on the moon 50 years ago, we found that the moon is not beautiful, but rather very desolate. Apollo program realized the first human landing on the moon, and brought back some moon rocks for scientists to study. It is with the help of these lunar rocks that scientists have a better understanding of the moon and a preliminary clue to the origin of the moon.

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Studying the rocks and soils of a planet has always been the most effective way for scientists to learn more about a planet. By studying the earth’s rocks, scientists can learn more about the history of the earth, and even mention some of the early conditions of the earth. Because, a planet has experienced a long time, time can’t go back, but some information of history may be preserved in rocks and soil.

After walking out of the earth, we only made some preliminary explorations on the moon, and then focused on another planet Mars. Mars is a neighbor of the earth and has many similarities with the earth. The reason why scientists attach so much importance to Mars is that it may have life. According to the probe’s observations, scientists have found ancient river beds on Mars and ice in Antarctica.

And the curiosity probe has detected methane on Mars twice, which shows that Mars is not as simple as we thought. It is possible that Mars, like the earth, was a beautiful planet of life a long time ago. Even now it has become a desolate planet, we still can’t rule out that there will be some simple life to survive until now.

If you want to really find traces of life on Mars, in addition to sending astronauts to land on Mars for detailed exploration, another important method is to get back some rocks and soil of Mars. By studying these samples, you may make important discoveries. But until now, scientists have not brought the rocks of Mars back to earth for research. Why?

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I believe many people have such doubts: why can moon rocks be brought back to earth for research, but Mars rocks can’t? Some people may say that scientists also want to bring back Mars rocks for research, but the current human technology can not do it. Is this really the case? In fact, this guess is not correct.

After 50 years of rapid development, human space technology has made great progress. If 50 years ago, we were able to land a man on the moon, but not on Mars, that’s for sure. But now, with human space science and technology, the success rate of the probe landing on Mars has been very high, and even it is possible to achieve manned landing on Mars.

Since the probe can land on Mars, there is also a great success rate in collecting samples and returning them to the earth. Therefore, it is not correct to guess that the current human science and technology can not complete the collection and returning of Martian rocks. If so, why don’t scientists? In fact, the main reason is not dare, afraid to bring unknown risks to the earth and human beings.

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As we all know, the environment of the moon and Mars is totally different. The moon has no atmosphere, and the environment above is basically the same as that of space. In this kind of environment that is completely exposed to space, the moon can not have the birth of life. The birth of any life needs an ecosystem, which doesn’t need to be like the earth. It can be much worse than the earth’s ecological environment.

As long as there is an ecosystem, the birth of life is possible, which is the most basic condition. An important basis of ecosystem is to have atmosphere, which has many functions. It can protect the surface of the planet from the strong influence of cosmic radiation, and also form a convective climate. If there is no atmosphere, the planet will not have wind and other climate changes.

Although the atmosphere of Mars is thin, the surface of Mars still forms its own ecosystem with the protection and function of this thin atmosphere. As long as there is organic matter, there may be the birth of life. Moreover, all kinds of observations on Mars have told us that Mars was not like this a long time ago, and there is a great probability that there will be life at that time.

If Mars is a planet of life, there is a high probability that there will be life in the rocks and soil on Mars. At the same time, scientists have also found traces of microbial activities in the Martian meteorites that hit the earth. Microorganisms are a kind of very tenacious life, and they are also the most dangerous to human beings. In the past two months, the new virus has made people panic, and they can only hide at home. It can be seen that the virus is terrible.

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The earth’s virus like microorganisms are so terrible, so Mars and the earth are different ecological environment, if there are microorganisms and other bacteria, it may be life that we do not know at all, once they pose a threat to human beings, it may have unimaginable serious consequences.

It is because of these concerns that scientists dare not bring Martian meteorites and soil back to earth for research. Of course, the study of Martian rocks and soils is an inevitable way for scientists to understand Mars, and this process must go in the future. Scientists dare not bring Mars samples back to earth until they are really sure whether there is life on Mars or whether it is not a threat to life on earth.

Even if we want to study Martian rocks and soil in the future, it will be in the space laboratory, not brought back to earth. Of course, the best way is to set up a base on Mars, in which we can do all kinds of research on the rocks of Mars, and then we can determine whether there is life on Mars.

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Of course, there are both advantages and disadvantages for human beings whether Mars has life or not. If Mars has life, it can be proved that Mars is still alive now, and there is still a time for it to come back to life in the future. And the success rate of human transformation of Mars will be much higher. But if there is no life on Mars, it means that Mars has completely become a dead star, so the transformation will be much more difficult.

At the same time, if there is life on Mars, it will be difficult for human beings to immigrate to Mars in the future. First of all, we need to determine whether these lives pose a threat to human beings. If so, we need to develop relevant vaccines. Some people may say that if there are microorganisms on Mars, we can eliminate them, and then human beings will be safe?

But in fact, it is very difficult for microorganisms to be extinct. In the billions of years of life history of the earth, all kinds of complex organisms have been extinct one after another, but only microorganisms can not be extinct. On the contrary, the more they live, the better. If the earth encounters mass extinction again in the future, it will be microbes, not other complex creatures, who can survive and continue.

Guys, what do you think of this? Welcome to leave a message below to discuss and express your opinions.

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