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In fact, there are really a lot of "soil" that human beings have obtained on alien planets, and the United States has collected some "soil" on comets through probes on comets, not only on comets, but even the "soil" of the sun Americans have also obtainedMany people must be surprised by this statement, how is the sun possible? But this is indeed true, the United States once used its own detectors to collect a few micrograms of solar wind particles, but in the process, the American detectors were also seriously damaged, and in the end, only a few micrograms of solar wind particles were partially recovered into their hands.
In addition to the United States, Russia has also collected some samples on comets, and our neighbor Japan has also used its own probes to collect some "soil" from individual planets on some asteroids, if the Chang'e-5 probe can be successfully recoveredMany people will not understand whether it is really so important to collect samples from the lunar surface or deeper exploration samples to bring back to the earth.
The universe is an unexplored area for us human beings at present, a most mysterious area, when we gaze at the starry sky, when we see the sky full of stars and the moon, it is a field that we will never touchAnd when China's science and technology have developed to a certain extent, we can go to another planet to obtain some samples to study the composition and unknown substances of another planet, it is very likely that in the process of this research, we will find some surprising things, which will make our science and technology, and our cognition reach an unprecedented level.
Of course, all this is just a guess, but it is still the same sentence, the universe is always an unknown world, if you are not in a hurry to explore this unknown world now, then there will be someone else, one step ahead of you, to understand that world clearly,If you want to go again, it will be impossible to open up new fields.
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The United States conducted unmanned comet sampling of comets by launching the Comet Stardust probe. Japan's Hayabusa achieved landing sampling on the Itokawa asteroid, and Hayabusa2 landed on the surface of the Ryugu asteroid using a "contact and leave" approach.
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The United States, Japan, and Russia have all obtained soil samples from extraterrestrial objects other than the Moon, and the American Star brought 45 kilograms of interstellar dust back to Earth in 2006. This is the first time humans have brought back a comet sample.
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Chang'e-5 "digs" on the moon, and humans have also obtained "soil" on Mars, which is basically the same as the soil on Earth, and there is no trace of life on Mars.
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Chang'e-5 is "digging" on the moon, and humans have also obtained comets, the sun, asteroids, and some other planets.
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We all know that everyone is very curious about alien planets, and we humans have achieved many moon landings, and every time we land on the moon, we need to go to the moon to dig for soil. This makes us wonder why we dig and how do we dig it?
1. The soil of the moon contains a lot of important information. In fact, it is very necessary for Chang'e-5 to go to the moon to dig soil. Because the soil of the moon contains a lot of important information.
There is soil on the surface of the moon, and these soils are very interesting for research. Its soil also contains a lot of rich resources, including rare gases, etc., and the soil on the moon is very valuable for development, if these soils are used to produce some materials, pavement or oxygen water, it is very good.
Second, lunar soil is a very good resource, and these lunar soils can be used to make some buildings or pave roads on the spot. We all know that the wish of our entire earth is to be able to live on the moon one day, and at this time we need to use local materials, so lunar soil is a very good resource. It would be great if we could use this lunar soil to pave roads and build some buildings.
We use Chang'e-5 to collect soil and then return to the Earth's surface.
3. It takes a lot of energy to collect lunar soil and transport it back to Earth. We collect this lunar soil into it, and then we go through a return capsule in the orbiter on top of the lunar orbiter, and then we return to Earth. The process is still more complicated.
It can be seen that it takes a lot of energy to collect lunar soil and transport it back to Earth.
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The reason why Chang'e-5 is going to the moon to excavate is to study the scientific significance of the moon and also provide some information for the future development of the moon. The Chang'e-5 mission is very complex, as it needs to automatically start from Earth to the surface area of the moon and then return safely to Earth after soil extraction. This is the most arduous mission in China's space history, and has been judged by many scientists to be the most complex and difficult space mission to date.
Many friends don't understand why there are not many people on the earth who want to dig on the moon. In fact, the reason is obvious. Because the soil on the moon is very precious, and the United States only gave China one gram for research in the process of lunar exploration, but now China has the ability to dig 2 kilograms directly on the moon, thus earning enough face for China.
Next, I will explain to him from a different angle why I am digging on the moon.
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The purpose of "digging the earth" is to better detect the world beyond the earth and contribute to our country and the world. It is not very clear exactly how to "dig the soil", and it is similar to a farmer's uncle plowing the field. You can look forward to it in real time.
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Dig with a shovel, at this time, you can dig it up little by little, put it in a container, and you can keep it well.
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1. It contains a large amount of information about the relevant region: the historical record of the early evolution of the solar system, the cosmic ray exposure and irradiation history of lunar rocks and lunar soil, etc. 2. It contains abundant resources, including rare gases, ilmenite, kripping, etc.
The information includes historical records of the early evolution of the solar system; Cosmic ray exposure and irradiation history of lunar rocks and lunar soil, degassing history of volatiles in the Moon; the composition of the solar wind and the compositional characteristics of the solar surface; The history of small bodies and micrometeorites hitting the Moon, and then extrapolating the history of the impact of small bodies on Earth; the composition and distribution characteristics of the lithosphere of the lunar crust.
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"Lunar soil, the soil of the moon, although it is readily available on the moon, contains great scientific value for earthlings. Xiao Long, a professor at the Institute of Planetary Science of China University of Geosciences (Wuhan), said that lunar soil is a sample of the moon, which is formed by the lunar rocks after being subjected to meteorite impacts, solar wind bombardment and cosmic ray radiation, which contains a large number of lunar rock fragments, minerals and meteorites and other materials.
By studying these lunar soil materials, scientists can not only understand the geological evolution history of the moon, but also provide necessary information for understanding solar activity.
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Chang'e-5 went to the moon to dig soil because it was originally going to the moon to do scientific research, which is to complete the scientific research mission, and the lunar soil can be used for scientific research, to figure out their composition, and how it is different from the earth's soil.
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For the purpose of collecting soil for research, soil on the moon allows scientists to understand the structure of the moon. Because the soil on the moon needs to be analyzed, we need to get it. The role of the moon's soil is to allow scientists to analyze the composition of the moon's soil and thus understand the composition of the moon.
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The reason why Chang'e-5 is going to the moon to dig soil is because it wants to bring back the soil from the moon for research, and the soil on the moon can be used for research.
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This is because Chang'e-5 is going to collect soil to prepare for certain research in China's scientific research, and the soil of the moon can see whether there are water molecules in the soil, which will make a certain foundation for China's scientific and technological exploration.
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It is mainly used for research, and I think it is very meaningful to understand the development history of the moon by studying the soil on the moon, and at the same time, we can also grasp the evolution history of the early solar system.
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The soil of the moon, then mix it with dung and the soil on the moon, can you grow grass, trees, oxygen, food, (earthlings become moonmen).
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Because the Moon is the only planet in the Milky Way galaxy that is closest to Earth with water. Bringing soil from the moon back to Earth will help scientists study the properties of the soil and investigate whether it is as suitable for human life as the Earth.
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Because if you look at the soil, you can know that it can grow crops,,, see if Chang'e is still alive.
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Digging is not the goal, the experiment is the goal of landing on the moon.
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Because the soil on the moon is different from the soil of China.
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The Chang'e-5 mission is to collect dust and debris in unexplored areas of the moon's front and return them to Earth to facilitate the analysis of the moon's evolutionary history.
The Chang'e-5 sample could fill an important gap in scientists' understanding of the moon's volcanic activity. The material from the Moon could also help researchers more accurately date the surfaces of planets such as Earth, Mars and Mercury. According to the method of calculating craters, the Moon is also an important reference for dating other planets.
November 24th.
"Departure" - the Chang'e-5 probe was launched from the Wenchang Cosmodrome in China and entered the Earth-Moon transfer orbit.
December 1.
Arriving at the destination" - Chang'e-5 landed and carried out sampling work in a pre-selected area on the front side of the moon.
December 2nd.
Picked up" - Chang'e-5 successfully completed automatic sampling on the lunar surface and saved the samples in the storage device carried by the ascender.
December 3rd.
The upper destroyer of the sail field lifter ignites and takes off, and enters the orbit accurately.
December 6th.
Loaded" - Chang'e-5 completed the rendezvous and docking with the orbiter and returner assembly and the transfer of samples.
December 17th.
Delivered" - Chang'e-5 sedan car returns to Earth.
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Lunar soil refers to the soil on the moon, which has great scientific value for earthlings. Major space-faring nations are trying to dig up the Moon. The Soviet probe Luna 16 returned a small sample of 101 grams, while Luna 20 and Luna 24 collected 55 grams and 170 grams, respectively.
From July 1969 to December 1972, the United States carried out seven manned missions to the moon through the Apollo 11 to Apollo 17 manned spacecraft, except for Apollo 13, which returned due to failure, the remaining six spacecraft completed the lunar landing missions, successfully sent 12 astronauts to the moon, and collected a total of 382 kilograms of lunar soil and lunar rock samples.
Chang'e-5 consists of an orbiter, a returner, a lander and an ascent. The scientific goal of the mission was to detect the topography and geological background of the landing site. Systematic and long-term laboratory studies of lunar samples.
The Chang'e-5 mission is not only a final task, but also a cornerstone work.
Pei Zhaoyu, deputy director of the Lunar Exploration and Space Engineering Center of the China National Space Administration and spokesman for the Chang'e-5 mission, said the Chang'e-5 mission is a major part of China's three-step lunar exploration program, which aims to sample the lunar surface and return to the moon. This mission is a new, bigger technological leap forward than the missions we have already completed to orbit and land on the moon. "Our goal this time is to bring back about 2 kilograms of lunar soil.
After demonstration, the amount of 2 kg is not small, and it can be achieved in engineering. But as a review of this mission, our goal is the return of samples.
If we get a sample and send it back to Earth, we'll be successful. "Pei Zhaoyu said. "The Moon is our only natural satellite on Earth and its strategic commanding heights.
Hu Hao, chief designer of the third phase of China's Prudent Potato Lunar Exploration Program, said"Because the moon has its own unique conditions, its location, environment, and resources are very unique, which is conducive not only to the subsequent development of space technology and scientific understanding, but also to the subsequent development of economic and social construction. "
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Because in this way, we can have more research and discussion on some substances on the moon, and we can have more understanding, know their combinations, dig some technologies and some capabilities, and also represent the strength of our country.
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Because there are some different heavy metal elements in these soils, we can better study the moon and the Siling universe. The soil of some meteorites and some ordinary soil are excavated, and the research value of these soils is relatively high.
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Because by digging on the moon, the lunar soil can be better studied, and the composition of the moon can also be analyzed. It is the soil above the moon that is dug up.
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At present, human beings know very little about space, and if we can achieve deeper exploration of the moon, it will help to understand the space environment in which the Earth is located. A deeper understanding of the origin of the earth.
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Because this can have a certain amount of research, it can also have a better understanding of the moon, and also know what the soil content on the moon is, so that China can have a more comprehensive understanding and cognition of the moon.
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