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and A team of Chinese scientists has found evidence of water molecules in lunar soil samples collected by China’s Chang’e-5 spacecraft and brought to Earth.Although the discovery of water on the moon is nothing new, First discovery of its molecular formThe researchers said water was previously thought impossible to exist in this form in physical samples and parts of Earth’s satellite.
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The presence and distribution of water on the moon They are crucial to understanding the Earth-Moon systemthe scientists wrote in a recent article published in the journal Nature Astronomy. However, despite extensive laboratory investigations and remote sensing explorations, Origin and chemical form of lunar water ‘remains elusive’ Continue reading the main story Researchers led by Chen Xiaolong from the Institute of Physics, Chinese Academy of Sciences.
article Evidence of hydrated minerals rich in water and ammonium molecules collected in Chang’e 5 lunar samples“.”In this study We found a hydrated mineral – (NH4)MgCl3-6H2O – in lunar soil samples. Returned by the Chang’e 5 mission, which contains approx. 41% (by weight) H2O”, the authors concluded.
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Scientists They found a “Plate prism clear glassAbout the width of a human hair, it’s actually an “unknown lunar mineral” nicknamed ULM-1 with the chemical formula (NH4)MgCl3-6H2O-, CNN reported on Tuesday.
In the sampleAmmonium was discovered, which can act as a stabilizer for water molecules. hay There are three types of liquids that can exist on the moonCNN quoted Qian Yuqi, a planetary geologist at the University of Hong Kong who was not involved in the study. Water molecules, a compound we call H2O; its frozen form is ice; and a molecular compound called hydroxylclose chemical relatives.
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According to scientists, this discovery is nowFirst direct detection of molecular water in the lunar regolith The true form of water and ammonium molecules on the lunar surface was revealed a few days ago by the state agency Xinhua News Agency. The scientific team, see the article for detailsruling out land pollution or rocket exhaust as the source of this hydratebased on their chemical and isotopic composition and the conditions of formation.
Photos taken by the Chang’e-5 spacecraft during its lunar exploration mission
China National Space Administration
The research results also Shows that water molecules can exist in the form of hydrated salts on the sunlit areas of the Moon“.”The presence of ammonium suggests a more complex lunar outgassing history and highlights its potential as a resource for lunar habitability”, the authors concluded.
Nearly 2 kg of lunar material
Chang’e 5 probe It returned to Earth in December 2020, carrying 1.73 kg of regolith The discovery of the “Oceanus Procellarum” crater makes China the third country after the United States and the former Soviet Union to collect samples from Earth’s satellite.
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Your analysis In recent years, scientists have been able to publish various discoveries. For example, In March 2023, another Chinese team led by Hu Sen published the discovery of new water remains in the journal Nature Geoscience.The impact crystals found by Chang’e-5 in the lunar soil contain a.
As the publication recalled at the time, NASA and Indian ships also discovered surface water on the satellite. It has attracted interest from the scientific community due to its potential for use “in situ” in future space exploration missions.More recently, last February, another Chinese research team announced the discovery of a new mineral on the moon — alternite, a transparent, colorless columnar crystal that is a puzzling assemblage of silica minerals.
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