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Chinese aircraft, Chang & e-4, successfully confirmed the Moon Crater Theory



Beijing, Gatra.com – On January 3, the Chinese spacecraft succeeded in confirming an already existing theory about the origin of the other side of the moon. Now the findings of the landing are published in Journal of Nature,

landing Chang & # 39; e-4 done intentionally in an area that had been hit billions of years earlier by an asteroid attack. Von Kármán Crater is the name of the crater, in the form of a large bowl with an area of ​​180 km. Interestingly, the Von Kármán crater is one of the many craters in the Aitken Antarctic Basin (South Pole/ SPA), with a total area of ​​2300 km. That is, the area is equal to a quarter of the moon's circumference.

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Until now, nobody knows exactly how old the real SPA is. However, it is estimated that it is around 3.9 billion years old. Meanwhile, asteroids that hit the area are estimated at 170 km.

From landing, scientists have learned that the impact of an asteroid attack is huge. Scars caused by an asteroid blow even penetrate into the crust of the moon and the next layer, called the mantle of the moon. From there, Yutu-2 identifies the existence of stones with a chemical composition that is very different from other places on the moon.

As reported by BBC, Thursday (5/15), preliminary findings of Visible spectrometer and Near infrared spectrometer (VNIS) said the stone contains minerals known as pyroxene and olivine low in calcium (ortho). That rock is also in the mantle.

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Although the initial findings have been obtained, the results are still not specific and have not been able to answer questions from scientists about the origin of the moon. That is why they decided to bring the findings to the earth and to examine them in the laboratory.

In addition to explaining the origin and evolution of the moon, the researchers also wanted to know more about what happened after the asteroids collided with the moon and formed the SPA basin. Scientists estimate that holes in the surface, perhaps filled with molten rock, then form sheets in the basin, complicating the geological image of the area.


Reporter: Qanita Azzahra

Editor: Flora L.Y. Barus



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