Chapter 1537: Aitken Basin

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Chapter 1537 Aitken Basin

Of course, the main reason why we think this way is because we have a super-giant Venusian ship. We have this super gigantic Venusian ship. Even transporting water from the earth to the moon is relatively easy.

Because of this, we decided to transport water directly from the earth, instead of exploring and developing the water resources on the moon.

In fact, we don't know whether there is water at the poles of the moon. Although the detector experiments carried out before, it seems that no water was found. But we still believe that there should be water at the poles of the moon. After all, it is very cold there. If a comet swept past the moon a long time ago, it should be able to leave some solid water resources on the moon.

Before, we only devoted ourselves to the construction of the Moon City, and we did not go to the poles of the moon to explore. Today, since we have come to the moon to develop tourist routes, of course we cannot forget about the poles of the moon.

I believe that there should be some water ice at the poles of the moon. After all, the Moon has been around for billions of years. During this period, many comets must have visited the moon, so how could they not leave some traces on the moon! '

Zhao Zhongyao looked at the two children, and told what he knew about the poles of the moon. After hearing this, the two children became more interested in the affairs of the moon's poles.

'Dad, let's go to the poles of the moon to see it! Now that there is ice there, let's see what kind of ice it is. Feifei looked at Zhao Zhongyao again and said.

'yes! Dad, let's go to the poles of the moon to see it! I also want to know what the poles of the moon look like, and will I really see some big icebergs! It's the same every day. Now when she heard what Zhao Zhongyao said about the poles of the moon, she was also very interested and wanted to take a look.

'Okay, then let's go and have a look! However, I can tell you that the two poles of the moon may be dark! Don't think it's too dark there, so you don't want to go there! 'Zhao Zhongyao knew that the two poles of the moon did not receive much sunlight. This is mainly because the moon's axis of rotation is vertical to its orbit. In this case, the two poles of the moon are rarely exposed to sunlight.

In particular, the South Pole of the Moon has a huge crater-Aitken Basin. This huge basin has a diameter of 2000 kilometers and a depth of 12 kilometers. In this huge basin is a permanently dark area.

If there is ice in Antarctica, this huge basin may be a huge solid reservoir. Zhao Zhongyao looked at the two children and said.

After hearing these things Zhao Zhongyao said, the two children are also very interested in this huge solid-state reservoir, so they want to go and have a look!

'Dad, since that big basin might be a big reservoir, why don't we hurry over and have a look! Feifei wanted to go to that big basin right away.

'yes! Dad, let's go and have a look! ’ Tiantian was also a little curious.

At this moment, Zhao Zhongyao said again,'What are you in a hurry for? Let me first explain to you about this large basin in Antarctica. After letting you understand this big basin first, it will not be too late for us to visit it again. '

'Okay, dad, tell me quickly! Feifei looked at Zhao Zhongyao happily again and said.

It was the same every day, she also looked at her father curiously, wanting to hear the story about this Antarctic Basin.

So, Zhao Zhongyao looked at the two children again and said, ‘The Aitken Basin at the south pole of the moon has the largest crater known to scientists, extending 2,000 kilometers across the far end of the moon. It is the feature of this huge crater that makes the topography of this basin particularly striking. Scientific experts believe that the Aitken Basin, located near the South Pole, was created about 4 billion years ago. And, we've known for some time that the Moon's poles were unique environments.

As one of the largest impact basins currently known in the solar system, it can help us understand the process of super-large impact events in the solar system and what they will bring; the basin is 12 kilometers deep and is the deepest impact basin on the moon, which means With the impact event of that year, it is likely to dig out the material deep in the moon’s crust and even the moon’s mantle, and these excavated materials will be the key to our study of the moon’s internal composition; if we want to establish the long history of the moon’s 4.5 billion years, Understanding one of the oldest large impact basins on the moon has become a crucial link.

After observing an anomaly at the south pole of the moon, scientists began to wonder: Could this anomaly be traced directly to the crater itself when the gravitational drag of the moon is roughly connected to the vicinity of the South Pole-Aitken Basin? Regarding the explanation of this extra mass, there are currently two relatively reasonable explanations. The first explanation: The metal from the asteroid that formed the crater is still embedded in the moon's mantle.

Another explanation is that the oxide-rich region may have formed when the moon's ancient magma ocean cooled and then solidified. Then, the fact that the mass anomaly is still prominent, and it seems to be located about 300 kilometers below, also provides scientists with an interesting idea, because these facts exist that show that the real interior of the moon, It might not actually be as bad as many had previously thought, because if they were, then the moon's gravity would also pull the giant patch into the center of the moon.

There are many unsolved mysteries about the early days of the moon. One way to help resolve these doubts is to first analyze its mantle, which is

Rocky regions under the Moon's crust, and many other unknown places. Because of the way the Earth and the Moon rotate, the Earth can only see one side of the Moon, which scientists call the near side.

On the relatively flat floor of the 186-kilometer crater in the South Pole-Aitken Basin, our scientists have detected minerals from the Mars rover that are distinct from typical lunar surface material, which the researchers say may be It was excavated from the ground in the Antarctic-Aitken Basin. Analysis of the wavelengths of light reflected from these minerals revealed the presence of olivine and low-calcium pyroxene. This fits with long-term predictions about the composition of the Moon's upper mantle and may support major models of the Moon's formation, as well as the evolution of an icy magma ocean, the scientists noted.

The problem of abnormal mass found under the largest crater on the moon has puzzled scientists for many years. A study shows that there is a foreign substance with huge mass under the South Pole-Aitken Basin of the moon. Scientists believe that it may be an asteroid that once hit the moon. Asteroids Metallic material was left on the moon after the crash.

As the largest crater in the solar system, the Moon’s South Pole-Aitken Basin has a diameter of more than 2,200 kilometers and almost spans the two hemispheres of the moon. However, this mysterious substance is also very special, with a huge volume, equivalent to five times that of Hawaii Island. Such a huge Metal matter is buried beneath the Aitken Basin, and the Antarctic gravity field is bound to be disturbed. The depth of the Aitken Basin can reach several kilometers, which also means that there is a huge metal bump deep under the Aitken Basin, which is simply unimaginable. Even though the material is so large, we still can't see it because it is located on the far side of the moon.

The study, also published in Geophysical Research Letters, is titled Deep Structure in the Lunar South Pole-Aitken Basin. In order to measure subtle changes in the strength of gravity around the moon, the researchers analyzed the gravity recovery and internal laboratory mission data, docked these data with the topographic data of the lunar reconnaissance orbiter, so the scientists discovered that there is a stretch under the South Pole-Aitken Basin There is a surprisingly uneven distribution of mass over hundreds of miles, like an asteroid embedded entirely in the Moon's mantle.

Computer simulations show that the asteroid may have an iron-nickel core, and at a location more than 1 km below the South Pole-Aitken Basin, material has penetrated several kilometers of the moon's mantle. Although we still don't know the source of this asteroid, what is certain is that its mass is huge, and the asteroid core material that caused this impact has also been distributed in the moon's mantle, but it will not sink into the moon's core . Another explanation is that the massive metals under the Antarctic-Aitken Basin may be dense oxides gathered together, and then gradually solidified over billions of years, and their formation is related to the lunar magma ocean.

We know that the Antarctic-Aitken Basin was formed about 4 billion years ago, and it is the largest crater preserved in the solar system. Although there may have been larger craters in the solar system, they have basically disappeared. Therefore, studying the Antarctic-Aitken Basin is a long-term task for scientists. Based on observations of the South Pole-Aitken Basin, we can study the impact process of catastrophic impact events. '

After listening to the story about the Aitken Basin told by their father, Feifei and Tiantian are also full of curiosity about this basin. After all, such astronomical events are rare. Is there any water in this huge Aikant basin? And under this big basin, is there a huge iron bump! Feifei and Tiantian were also very curious about this matter.

‘Dad, should we hurry to this Aikant Great Basin to see now? I'd like to know if the stories you tell are true. Feifei looked at Zhao Zhongyao and said.

‘Dad, let’s go to the Aitken Basin! I also want to visit this great basin. ’ Said the same every day.

After hearing what the two children said, Zhao Zhongyao said again,'If you want to go, I will take you there. However, the place was dark. You can only see the terrain inside from the searchlight of the flying saucer. Although what I said is very exciting, when you see it, you must feel that it is not exciting at all. Because it is impossible for you to see the whole picture of it. '

‘Dad, even if this is the case, we want to go and see. Feifei looked at Zhao Zhongyao again and said. 'yes! Dad, just take us there! Although we can't see the whole picture of this big basin from the porthole of the flying saucer. However, can't we see the entire Aikant Basin through the infrared camera on the flying saucer! ’ Tiantian thought of another good idea.

After hearing this, Feifei also looked at his dad and said, 'Dad, what I said every day is that we can use infrared cameras to see what the Great Aikant Basin looks like from high altitude. '

'Okay, since this is the case, let's go and have a look! 'Zhao Zhongyao saw that the two children really wanted to see the Aikant Basin, so he decided to take the two children to see it.

So, Zhao Zhongyao drove the flying saucer spacecraft to the distant Antarctic region. Due to the speed of the flying saucer spacecraft, Zhao Zhongyao and the others flew over the Antarctic after flying for more than ten minutes.

Zhao Zhongyao saw that the flying saucer spacecraft had already flown over the Antarctic, so he let the flying saucer spacecraft hover in the air first. At this time, Zhao Zhongyao looked at the instrument and saw that it showed that their flying altitude was 100 kilometers. At such a height, you can see the entire south pole of the moon.

It's just because the moon's rotation axis is almost perpendicular to the earth's orbit. That is, it is perpendicular to the orbit of the moon. Therefore, the two poles of the moon are always in a dark night.

Although Zhao Zhongyao knew that there was a huge Aikent Basin at the south pole of the moon. But because the sunlight does not reach the south polar region of the moon. This huge basin is also difficult to see clearly.

However, Zhao Zhongyao knew that

Their flying saucers have infrared cameras on them. With the help of such a high-tech device, you can see what the Aibiaite Basin looks like.

So, Zhao Zhongyao looked at the two children and said, 'Okay, come and see the whole Aitken Basin with me! ’ After finishing speaking, Zhao Zhongyao activated the infrared camera inside the UFO spacecraft and pointed the camera lens at the south pole of the moon.

After hearing what Dad said, Feifei and Tiantian hurried to Dad's body together. The two of them also looked at the monitor next to Dad very curiously. Because through this display, you can see the appearance of the Aibiao Basin located in the Antarctic region below the spacecraft.

Zhao Zhongyao slowly adjusted the focus. After that, the entire Antarctic region was displayed on the monitor. At first there was a black shadow on the monitor. After a while, the black shadow became clear. The original black shadow quickly disappeared.

When that black shadow disappeared, a huge basin appeared in the Antarctic region. The entire basin is in the shape of a circle. Since this basin is very large, it has a diameter of 2000 kilometers and a depth of 12 kilometers. In this case, it looks like someone deliberately dug a big hole in Antarctica from a high altitude.

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