Chinese Chang’e 4 is the first mission to touchdown the far side of the moon and recently the spacecraft has made some captivating discoveries. Its study of the moon’s crust, though, has perceived the mission and makes it entirely unexpected and different. The researchers from the National Astronomical Observatories of the Chinese Academy of Sciences have published their research in the journal Nature. The research says that the lunar surface’s composition of the South Pole-Aitken Basin is a bit unlike to what was anticipated.
One of the core theories postulates that the Earth’s moon was not continually that dead and cold what we see at present. It seems the moon possibly started as a huge, molten marble filled with the oceans of magma. These oceans slowly cooled, putting heavy reserves such as the low-calcium pyroxene or the green-colored olivine deep inside the moon’s mantle. On the top of the moon, the less dense minerals drifted and it thus gives the moon sequences of noticeable geological layers similar to a cosmic onion. The uppermost layer of the moon which is called crust is made up of mostly aluminum silicate. According to the research’s co-author Li Chunlai, accepting the structure of the lunar mantle is very important for testing and to figure out the existence of a magma ocean, as postulated in previous theories. He added that it also benefits to enhance the understanding of the magmatic and thermal progress of the moon. Studying the composition of the moon’s mantle might offer planetary researchers more vision into the evolvement of the insides of other planetary bodies.
In the Von Kármán Crater of the moon that exists on the floor of the South Pole-Aitken Basin, the Chang’e 4 lander has landed there back in January. Thereafter it posted a rover, Yutu-2, armed with a spectrometer which is used to measure the reflected light. By analyzing the light reflected from the surface as Yutu-2 moved along Von Kármán, the researchers were able to spot minerals and decide the chemical composition of those minerals
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