Core Insights - Chinese scientists have made significant progress in analyzing lunar soil samples from the Chang'e 6 mission, identifying rare impact remnants from CI-type carbonaceous chondrites [1][5] - The research establishes a systematic method for identifying extraterrestrial materials in samples, enhancing theories on material migration in the solar system and providing new directions for studying lunar water resources [1][6] Research Findings - The research team from the Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences conducted detailed analyses of 2 grams of lunar samples, leading to the identification of impact remnants from CI-type carbonaceous chondrites [1][5] - CI-type chondrites are known for their volatile components, including water and organic materials, and are primarily found in the outer solar system [5] - The study indicates that the proportion of CI-type chondrites on the lunar surface is significantly higher than on Earth, suggesting that the contribution of carbonaceous chondrites to the Earth-Moon system's impact history may have been underestimated [5] Implications - The findings suggest that materials from the asteroid belt can migrate into the inner solar system, which has important implications for understanding the sources of water on the Moon [6] - The research proposes that previously detected water with positive oxygen isotopic characteristics in lunar samples may likely originate from impacts by CI-type chondrites [6]