嫦娥六号月球样品系列研究成果发布，首次揭开月球背面演化历史

Core Insights - The Chang'e 6 mission has provided groundbreaking research results on lunar samples, revealing the evolutionary history of the moon's far side [1][3][4] Group 1: Research Findings - Four key research outcomes were published in the journal Nature, focusing on lunar magma activity, ancient magnetic fields, water content in the lunar mantle, and mantle evolution characteristics [1][3] - The samples returned from the South Pole-Aitken basin, the largest and oldest impact crater on the moon, have offered a unique opportunity to understand the differences between the moon's near and far sides [2][3] Group 2: Historical Context - The South Pole-Aitken basin was formed approximately 4.25 billion years ago by a massive impact, creating a melt pool that later crystallized into a new type of lunar rock [4][6] - The research indicates that the moon's far side experienced two distinct phases of volcanic activity around 4.2 billion and 2.8 billion years ago, suggesting sustained volcanic activity [3][4] Group 3: Implications for Lunar Science - The findings challenge existing theories about the moon's origin and evolution, particularly regarding internal dynamics, water distribution, and magnetic field mechanisms [5][6] - The Chang'e 6 samples are expected to lead to further revolutionary discoveries as more in-depth analyses are conducted [5]