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

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    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
。    《日报》全媒体记者 张宝程 王萍          　　室外天气晴好，室内欢歌笑语。

B | 1月20日9时，随着《蒸蒸日上》的开场舞浓情亮相，兴城市温泉街道兴海桥社区安居小区第二十一届“百姓春晚”在居民的满怀期待中上演。在近两个小时的演出中，演员们裙袖飞舞、大展歌喉，观众满目春风、掌声不断，呈现一派欢乐和谐的景象。         　　安居小区是有400户居民的老旧开放小区，自2004年实行居民自治。

C | 每家每户轮流在门岗义务值班，小区环境的亮化美化依靠居民自觉和党员干部义务劳动，垃圾清运有专人负责，居民巡逻队也常穿梭于楼前楼后，小区安宁且充满生机。

D | 21年来，这种居民自治形式获得了有关部门的肯定与表彰。         　　“团结奉献、勤俭自强” 是该小区的核心文化，通过各类宣传教育文体活动，对居民进行艺术熏陶与创作培养，深受大家推崇。         　　谈及举办“百姓春晚”的初衷，小区自治委员会负责人马文臣介绍，小区有艺术团，团长白淼常与文艺爱好者相聚，以歌舞、器乐等居民喜爱的艺术形式，增强了小区凝聚力，也让大家身心愉悦。在腊月二十八前举办 “百姓春晚”，既丰富了居民业余文化生活，也是对“幸福中国年”的预热。         　　“百姓春晚”的演员都是本小区居民，年龄最大的87岁，最小的50出头，平均年龄72岁。他们热爱文体活动，为给大家呈现原汁原味、亲切感十足的节目，都非常卖力。白淼说：“这些年，艺术团的演员们不仅给邻里带来了爱和笑声，也感染了周边地区，不少人前来观看，希望将这一模式引入自己的小区。

E | ”          　　78岁的曹献民来安居小区已经15年了。回忆起“百姓春晚”，他动情地说：“当初邻居间很少来往，小区内基本没啥文化生活，晚上都在家里看电视。自从小区举办了春晚，大家看节目的同时，还聚在一起唠家常，增进了感情，愉悦了心灵。”          　　近些年，曹献民的视力有些下降，几乎不看电视。当他得知小区今年又举办春晚，早早地就来到小区的文化宫。在演出过程中，他或坐在椅子上鼓掌，或站起来欢呼，开心得像个孩子。

F |          　　今年“百姓春晚”的15个节目中有3个自创节目，皆取材于身边。白淼表示，除了《歌唱祖国》《我和我的祖国》等传统节目外，演员们更注重讴歌小区环境的改善和居民生活的幸福和谐，“爱祖国，爱家乡”是大家不变的情怀。         　　21年来，“百姓春晚”已在居民心中深深扎根，大家齐心参与，这里就像一个其乐融融的大家庭，和美幸福的画面一直延续。                   图为演员们在表演节目。

G | 《日报》全媒体记者 张宝程 摄。

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