央视网消息（新闻联播）：记者从中国科学院地质地球所获悉，通过对嫦娥六号月球样品研究分析，我国科研团队成功破解了月球背面月壤的"黏性之谜"。 相较于月球正面的月壤，背面月壤的颗粒形态更复杂，表面更粗糙，显著增大了颗粒间的摩擦效应，使得分子间作用力、静电力等作用凸显，造成月壤样品 表现出明显的黏性特征。 近日，由华中科技大学团队研制的模拟"月壤砖"也取得新进展。初步研究发现，历经一年太空暴露、大温差等极端环境考验，模拟"月壤砖"状态良好。据了 解，科研团队将通过为期三年的模拟"月壤砖"太空实验，为月球的探测和基地建造积累重要数据。 ...

记者从国家航天局获悉，近日，我国科研团队通过分析嫦娥六号采回的月背南极-艾特肯盆地月球 样品，取得月球科学研究重大突破——首次发现大型撞击事件成因的微米级赤铁矿（α-Fe2O3）和磁赤 铁矿（γ-Fe2O3）晶体，揭示了全新的月球氧化反应机制，为环绕南极-艾肯盆地磁异常的撞击成因提供 了样品实证。 该研究成果由山东大学行星科学团队联合中国科学院地球化学研究所、云南大学科研人员共同完 成，得到国家航天局月球样品（编号：CE6C0300YJFM00301）的支持，在嫦娥六号月球样品中发现了 赤铁矿和磁赤铁矿矿物，并联用微区电子显微谱学、电子能量损失谱技术、拉曼光谱技术，确认了月球 原生赤铁矿颗粒的晶格结构以及独特的产状特征。成果已发表在国际综合性期刊Science Advances，将 为后续月球科学研究提供重要科学依据，深化对月球演化历史的认知。 自人类登月以来，月球被认为整体还原，极度缺少氧化作用的关键证据，特别是赤铁矿等高价态铁 氧化物。研究提出，赤铁矿的形成可能与月球历史上的大型撞击事件密切相关。大型撞击形成瞬时高氧 逸度气相环境的同时，铁元素在高氧逸度环境中被氧化，使陨硫铁发生了脱硫反应，经气相沉积过程 ...

Core Insights - China's research team has made a significant breakthrough in lunar science by discovering micron-sized hematite and magnetite crystals from samples collected by the Chang'e 6 mission, revealing a new lunar oxidation reaction mechanism [1][2] - The findings provide empirical evidence for the impact origin of magnetic anomalies surrounding the South Pole-Aitken Basin, which is the largest and oldest impact basin known in the solar system [2] Group 1: Research Findings - The discovery of hematite and magnetite in lunar samples contradicts the previous belief that the lunar surface is in a "reduced environment" lacking key oxidative evidence [1] - The formation of hematite is proposed to be closely related to large impact events in the moon's history, which create a transient high oxygen fugacity gas environment [1] - The intermediate products of this reaction include magnetic magnetite and magnetite, which may serve as mineral carriers for the magnetic anomalies in the South Pole-Aitken Basin [1] Group 2: Collaborative Efforts - The research was conducted by a team from Shandong University, in collaboration with the Institute of Geochemistry of the Chinese Academy of Sciences and Yunnan University [2] - The study received support from the National Space Administration's lunar sample program and was published in the international journal "Science Advances," providing important scientific basis for future lunar research [2]

凌宗成：这一发现非常重要，可以说是揭开了我们人类认识月球氧化作用研究的新一页。我们期待 未来有更多针对月球氧化作用研究的新成果陆续出现。 山东大学空间科学与技术学院副院长凌宗成：我们在数千条月壤光谱数据当中找到了赤铁矿的线 索，最终我们在嫦娥六号月壤样品当中，首次发现了赤铁矿和磁赤铁矿两种矿物，这是月球氧化作用研 究的重大科学突破。 目前，该成果已发表在国际综合性期刊《科学进展》，将为后续月球科学研究提供重要科学依据， 助力我国深化对月球演化历史的认知。 央广网北京11月17日消息（记者刘颖超）据中央广播电视总台中国之声《新闻和报纸摘要》报道， 国家航天局、山东大学、中国科学院16日联合发布消息，我国科研团队通过分析嫦娥六号采回的月球样 品，取得月球科学研究重大突破——首次发现大型撞击事件成因的微米级赤铁矿和磁赤铁矿晶体，揭示 了全新的月球氧化反应机制，为环绕南极-艾特肯盆地磁异常的撞击成因提供了样品实证。 月球表面由于没有大气保护并且缺乏水，整体处于还原环境，几乎不可能存在强氧化物。而科研团 队发现的赤铁矿属于高价态的三价铁氧化物，是月球存在（强）氧化作用的关键证据。凌宗成介绍，赤 铁矿的形成可能与月球历史 ...

Core Achievements - China's research team has made a significant breakthrough in lunar science by discovering micron-sized hematite and magnetite crystals in samples returned from the Chang'e 6 mission, revealing the lunar oxidation-reduction state and magnetic anomalies [1][3] - The Shenzhou 22 mission has been initiated, with plans to launch a spacecraft carrying supplies and equipment for astronauts and the space station [3][5] - A domestically developed 3D-printed engine has successfully completed its first flight test, marking a major advancement in engineering applications [5] - Key breakthroughs have been achieved in 6G communication and nuclear power control technologies, indicating substantial progress in China's frontier technology development [7][8] Technological Developments - The first phase of 6G technology trials has been completed, with over 300 key technology reserves established, positioning China at the forefront of global 6G development [8] - A new generation of digital control systems for nuclear power plants has been launched, featuring 100% domestically produced components, enhancing safety and operational efficiency [10] - The completion of the Haizhu Bay Tunnel in Guangzhou improves connectivity within the Guangdong-Hong Kong-Macao Greater Bay Area, showcasing advancements in infrastructure [12] - The "Haixun 176," the largest and most advanced buoy tender in China's transportation system, has been officially commissioned, enhancing maritime navigation support capabilities [14][16] - The world's largest high-altitude wind power harvesting parachute has successfully completed trials, marking a significant step in the engineering application of high-altitude wind energy technology [17]

Core Insights - The latest research from the Chang'e 6 lunar mission reveals that the lunar mantle on the far side of the moon is cooler compared to the near side, enhancing understanding of the moon's "bipolarity" phenomenon [1][3][6] Research Collaboration - The study was a collaborative effort between the China National Nuclear Corporation's Beijing Geological Research Institute, Peking University, and Shandong University, published in the prestigious journal Nature Geoscience [3][6] Geological Significance - The lunar mantle, located beneath the lunar crust, is the largest component of the moon and is crucial for understanding lunar evolution, as ancient volcanic activity is driven by materials from the mantle [3][6] Sample Analysis - Scientists conducted detailed analyses of basalt samples brought back by Chang'e 6, using various methods to determine crystallization temperatures and pressures, finding that the crystallization temperature of the basalt samples is approximately 1100°C, which is about 100°C lower than samples from the Chang'e 5 mission [5][6] Mantle Potential Temperature - The research reconstructed the original magma chemical composition and calculated the potential temperature of the lunar mantle, discovering that the potential temperature on the far side is about 1400°C, which is lower than the near side's 1500°C [6] Validation of Findings - The study utilized remote sensing data to validate findings on a larger scale, confirming that the potential temperature of the lunar mantle on the far side is approximately 70°C lower than that on the near side, supporting the sample analysis results [6] Bipolarity Phenomenon - The research deepens the understanding of the moon's "bipolarity," which includes significant differences in topography, elemental distribution, and geological features between the near and far sides, with the near side being flatter and containing more maria [6][7] Technological Strength - The achievements in lunar soil analysis reflect the technological capabilities of the China National Nuclear Corporation in planetary science research [7]

Core Findings - The research reveals that the lunar mantle on the far side of the Moon is cooler compared to the near side, enhancing the understanding of the Moon's "bipolarity" phenomenon [1][9] - This study provides critical scientific data for understanding the evolution of the Moon and its distinct characteristics [1] Research Methodology - Scientists conducted a detailed analysis of basalt samples brought back by the Chang'e 6 mission, utilizing various methods to determine the crystallization temperature and pressure of minerals such as clinopyroxene and plagioclase [4] - The crystallization temperature of the Chang'e 6 basalt samples was found to be approximately 1100°C, which is about 100°C lower than samples from the Chang'e 5 mission on the near side [4][6] Temperature Findings - The potential temperature of the lunar mantle on the far side is estimated to be around 1400°C, which is lower than the near side's estimated 1500°C [6] - Remote sensing data corroborated these findings, indicating that the potential temperature of the lunar mantle on the far side is approximately 70°C lower than that of the near side [6] Lunar Characteristics - The study highlights significant differences between the near and far sides of the Moon in terms of topography, elemental distribution, and geological features, which are collectively referred to as the "bipolarity" phenomenon [9] - The near side is characterized by a relatively flat terrain with extensive basaltic plains, while the far side features a more rugged landscape with fewer basaltic areas [9]

Core Insights - The research reveals that the Moon experienced volcanic activity much later than previously believed, specifically between 2 to 2.8 billion years ago, challenging the notion that it became "inactive" 3 billion years ago [1] - A new thermal dynamic mechanism is proposed, suggesting that as the Moon cooled, its lithosphere thickened, trapping magma in the upper mantle, which could then transfer heat and trigger volcanic eruptions [1] Group 1 - The study utilized samples from the Chang'e 6 mission to uncover the heat-driven mechanisms behind late lunar volcanic activity [1] - Two types of basalt were identified in the Chang'e 6 samples, indicating different sources: ultra-low titanium basalt from deep within the Moon's mantle and low titanium basalt from a shallower mantle [1] - Traditional theories linking late lunar volcanic activity to water or radioactive elements have been refuted by the findings from the Chang'e missions [1] Group 2 - The research indicates chemical differences in late volcanic rocks between the Moon's near side and far side, suggesting a variation in mantle composition, which provides new insights into the Moon's asymmetric evolution [2]

Core Findings - The Chang'e 6 lunar sample has revealed new insights into the "ultra-reduced" state of the lunar mantle, enhancing understanding of the moon's internal composition and formation [1][5] - The lunar mantle, which is over 1000 kilometers thick and constitutes more than half of the moon's volume, is a key source of magma activity and volcanic eruptions, influencing lunar evolution [3] Research Insights - The lunar mantle from the Chang'e 6 landing site is found to be drier, poorer, and more reduced compared to the lunar mantle on the moon's front side, indicating a lack of oxidation or a subsequent reduction possibly due to large impact events [5][7] - Differences in basalt distribution, geological features, chemical composition, and crust thickness between the moon's front and back sides are significant, with ongoing research into the oxidation-reduction states of the lunar mantle [5][7] Sample Distribution and Research Applications - A total of 125.42 grams of lunar research samples have been distributed in nine batches, including samples requested by seven institutions from six other countries [8][9] - The application process for lunar samples involves a strict online submission and expert review system, with an average processing time of about five months from application to sample distribution [11][13] - Research focus has shifted from traditional geological analysis to engineering applications, including in-situ resource utilization and lunar soil brick production, with numerous engineering institutions now involved in lunar sample research [13]

Core Insights - The Chang'e 6 mission has revealed new findings about lunar basalt samples, indicating a "super-reduced" state of the lunar mantle, enhancing understanding of the Moon's internal composition and evolution [1][2] Group 1: Lunar Mantle Research - The lunar mantle, which is over 1000 kilometers thick and constitutes more than half of the Moon's volume, is a source of magma activity and volcanic eruptions, influencing lunar evolution [2] - The "super-reduced mantle" suggests that the elements within it tend to exist in lower oxidation states, indicating a more primitive state or a reduction process possibly caused by large impacts [2][4] - The research indicates that the mantle samples from the far side of the Moon are drier, poorer, and more reduced compared to those from the near side, providing new insights into the differences between the two lunar hemispheres [2][6] Group 2: Scientific Impact and Applications - The findings not only represent a significant scientific breakthrough but also have implications for planetary science and the assessment and utilization of lunar resources [6] - The research on lunar samples has shifted from traditional geological analysis to engineering applications, including in-situ resource utilization and lunar regolith brick-making [10] - Numerous engineering research institutions are now involved in lunar sample applications, focusing on material properties and technology development to support future lunar exploration missions [10][12] Group 3: Sample Distribution and Research Process - As of now, the National Space Administration has distributed nine batches of lunar research samples totaling 125.42 grams, with applications from various international institutions [7][9] - The application process for lunar samples involves a strict review by an expert committee, with a typical duration of about five months from application to distribution [9] - The demand for lunar samples is increasing, driven by upcoming missions such as crewed lunar landings and the establishment of lunar research stations [12]