Job Recruitment Website - Ranking of immigration countries - Discovering something that does not belong to the moon, scientists confirmed: it was sent to the moon 4 billion years ago, is it true?
Discovering something that does not belong to the moon, scientists confirmed: it was sent to the moon 4 billion years ago, is it true?
The recent news about the moon has been dominated by the 1,731 grams of lunar soil brought back from the moon by Chang'e 5. According to the latest news, "glass" was found in the samples brought back ( Gabbro), it seems that there are no explosive discoveries, and it has no longer aroused everyone's interest. After all, everyone is already tired of these conventional discoveries!
But here is an "old news" from 4 billion years ago. Everyone must be very interested, because a rock belonging to the Earth was found on the moon, but what happened next is absolutely incredible!
Apollo 14: Astronauts brought back an Earth rock from the moon!
The Apollo 14 mission attracted a lot of attention. One of them was that it was the first lunar landing after the most successful failure of Apollo 13. Another focus was that NASA wanted to resist the pressure and put it on the moon. A geologist was sent to the moon, but ended up on Apollo 17!
The Apollo 13 service module after the explosion
But the Apollo 14 mission seemed unremarkable. After all, there had been successful landings on the 11th and 12th, and even Moon Rock had Only 42.8 kilograms were brought back (the Apollo program brought back 382 kilograms from the 6 successful moon landings in total), not even the average amount! These obscure moon rocks have been stored at the Lunar Receiving Laboratory (LRL) at the Johnson Space Center in Houston, Texas.
Here, the moon rocks are divided, sliced, and crushed before being packaged, numbered, and stored in categories in the laboratory, silently waiting for scholars to call and study them. If you are in an American university or laboratory work, then you can apply for a moon rock for research.
The Earth rock was discovered. How did it get up there?
On January 10, 2019, a paper published in ScienceDirect reminded everyone of Apollo 14 again, because scientists said that on February 9, 1971 A rock from the Earth was found among the moon rocks brought back!
An Apollo lunar breccia sample numbered 14321. Scientists found that this is the ejecta after the impact of an asteroid on the moon. It seems to be very common because the moon is full of impact craters, but in Mixed with it is a mineral composed of quartz, feldspar and zircon. This mineral is very rare on the moon, but very common on the earth!
Analysis shows that these minerals were formed on the earth approximately 4.1 billion to 4 billion years ago, approximately 20 kilometers below the surface! Minerals from the ground actually found their way to the moon? What is even more surprising is that scientists from Imperial University London who conducted this study believe that the earth suffered a huge impact more than 4 billion years ago, and the splash reached the second cosmic speed and flew from the earth to the moon!
We also have reason to believe that there may be meteorites from the Earth on other planets in the solar system! The story that followed was even more bizarre, because scientists speculated that after reaching the moon, this piece of earth rock was buried deep into the moon by a meteorite impact 3.9 billion years ago, but was dug out again in another impact about 26 million years ago. , came to the surface of the moon!
The splash after the impact on the moon
Then it was brought back to the earth as a sample by the two astronauts of Apollo 14, a journey that lasted 4 billion years. It sounds like a joke, but many scientists from Gottingen University and NASA, as well as Imperial University London, the University of Amsterdam, and the Australian National University agree very much!
However, it should be reminded that the moon more than 4 billion years ago was only about 140,000 kilometers away from the earth, the viewing angle was about 1.4 degrees, and the apparent area was 7.8 times larger than today. Such a huge moon would There is no problem reading in the sky or under the moonlight!
Of course, one problem this theory faces is that this story is full of twists and turns and requires too many coincidences to form. Why not explain that it was formed inside the moon? After all, the moon was separated from the earth, but as a result, the theory of the formation process of the ancient moon has to be greatly revised. Which one is correct?
Extended reading: The formation of the moon
There are several doubts about the existence of the moon that are difficult to explain. First of all, the moon is the largest in the solar system in proportion to its parent star, with a diameter close to 1/4 of the earth. Although some of the satellites of Mars, Jupiter, and Saturn are very large, they are small in proportion! Therefore, the formation of the moon has always been difficult to explain.
Jupiter and its satellites
Until the impact theory matured, this strange phenomenon of the moon could barely be explained. This theory believed that when the solar system first formed the earth, it was in the orbit of the earth. There is another planet on the planet, but due to the difference in orbital speed, it finally collided together. Its huge impact split a large amount of material and returned to the earth under the gravity of the earth, but more matter is orbiting the earth. The shape gradually formed the moon.
So the material composition of the earth and the moon should be very similar, but one feature of this formation theory is that the moon lacks an iron-nickel core, because the impact separated the outer material of the earth, iron-nickel The inner core will not escape and become the core of the moon.
In addition, oxygen isotope analysis also confirms the statement that the moon and earth materials have the same origin!
That’s why the theory of lunar impact formation is sought after by the scientific community. But if this lunar rock does not come from the earth, but is formed by the moon itself, then scientists will have a headache again. After all, it is the last step for scientists to overturn the theoretical model. What I like to do!
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