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Chinese scientists complete comprehensive geological map of the moon_我的网站

A |     　　香港8月14日电（记者肖逸晨）香港特区政府政制及内地事务局局长谢小华14日会见传媒表示，香港五年规划不单是香港的重要事务，更是国家“十五五”规划的有机组成部分，是融入和服务国家发展大局的重大举措，也是香港公共行政发展的里程碑。

B | 特区政府将继续马不停蹄地整理和分析意见，目标是在今年9月内发表香港第一个五年规划。    

    Photo: Xinhua
Using the latest data from the Chang'e lunar exploration program and other lunar exploration efforts, Chinese scientists have completed a 1:5,000,000 geological map of the entire moon, for the first time providing a more detailed global classification of the moon's late-stage geological layers and key scientific support for China's future lunar research station, landing site selection and deep-space exploration, while contributing to humanity's exploration on the Solar System's evolution, the Xinhua News Agency reported on Thursday. 
Measuring approximately 280 centimeters in length and 120 centimeters in height, the lunar geological map includes detailed maps of the moon's polar regions, precisely identifying over 13,000 impact craters and 81 basins, while classifying 14 geological structure types and 17 rock types. 
According to the map's compiling team from the Institute of Geology, Chinese Academy of Geological Sciences, the map has achieved systematic innovations in three key areas, based on the latest exploration data from the Chang'e lunar exploration program and other missions, and balancing scientific accuracy and accessibility.
The map updates the moon's geological timescale, revising the starting ages of key periods. The starting ages of the Aitkenian Period and the Nectarian Period have been adjusted to 4.33 billion years and 4.17 billion years, respectively, while the starting age of the Imbrian Period has been slightly revised to 3.92 billion years. This map for the first time provides a more detailed global classification of the moon's late-stage geological layers. 
The map also updates the moon's material inventory with high-resolution mineral distribution data and improved rock classifications. Findings from the Chang'e-4 and Chang'e-6 missions led to the identification of gabbronorite in the South Pole-Aitken (SPA) Basin, offering new insights into the moon's deep interior.
The map introduces a customized visualization system for its 1:5,000,000 scale. To meet the requirements of the 1:5,000,000-scale mapping, researchers established differentiated minimum representation scales for various geological features. This ensures that the large-scale map maintains overall readability while preserving key geological characteristics of major scientific significance. 
According to Yang Zhiming, director of Institute of Geology, the newly released lunar geological map will support China's future lunar research station, landing site selection, and deep-space exploration, while contributing new Chinese insights into the study of Solar System evolution. 
Global Times
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C | 　　谢小华表示，香港五年规划的公众咨询自6月15日开始，至8月14日结束，共举行了超过100场咨询会，其中约30场由特区行政长官亲自主持，听取社会各界对香港五年规划的意见和建议，“我们还走访了粤港澳大湾区其他城市，听取其就粤港澳大湾区进一步对接和合作发展的意见”。　　谢小华说，截至14日，已收到超过16000份来自不同界别、不同背景市民和持份者的意见或建议。大家普遍认同香港五年规划有助香港更好把握形势和机遇，更好作出部署。　　谢小华表示，香港市民和不同界别的持份者都非常关心香港首个五年规划，对于香港的未来充满信心，希望通过建言献策，共同勾勒香港未来五年的愿景，以及更好融入和服务国家发展大局。

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Published on:16:59:56