...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Geophysical Research Letters >Fragments Delivered by Secondary Craters at the Chang'E-4 Landing Site
【24h】

Fragments Delivered by Secondary Craters at the Chang'E-4 Landing Site

机译：在长安4登陆网站上由二级陨石坑提供的碎片

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The Chang'E-4 landing site is depleted with boulders seen from both orbit and surface. However, the Yutu-2 rover came across thousands of concreted fragments in and around an abnormally fresh crater that has more elevated northwestern rims. The origin of the fragments is crucial to resolve the provenances of surface materials detected by the rover. The lunar penetrating radar performed two in-and-out scans for the blocky ejecta, revealing that the subsurface materials have indistinguishable radar permittivity with the surrounding regolith. Forward modeling of electromagnetic wave propagation shows that the fragments were not an original component in the subsurface. This crater is among the several fresh craters photoed by the rover, and they are located in an eastern extension ray of the Zhinyu crater. The small craters are likely secondaries of Zhinyu, and the fragments contain a mixture of shattered projectiles and most likely compacted regolith clumps formed during the secondary impacts.
机译：嫦娥4个着陆场地耗尽，轨道和表面看巨石。然而，玉图-2流动站遇到了成千上万的混凝土碎片，周围的异常新鲜的火山口，具有更高的西北边缘。片段的起源至关重要，以解决流动站检测到的表面材料的种植。月球穿透雷达对块状喷射器进行了两个出脱离的扫描，揭示了地下材料具有与周围的极象的难以区分的雷达介电常数。电磁波传播的前向建模表明，片段不是地下中的原始组件。这个火山口是由流动站拍摄的几个新鲜的陨石坑中，它们位于竹堰火山口的东部延伸射线中。小陨石坑很可能是中宇的粗略，而碎片含有破碎的射弹和最有可能在二次冲击期间形成的压实型石油丛。

著录项

  • 来源
    《Geophysical Research Letters》 |2020年第7期|共9页
  • 作者

    Ding Chunyu; Xiao Zhiyong; Wu Bo; Li Yuan; Prieur Nils C.; Cai Yuzhen; Su Yan; Cui Jun;

  • 作者单位

    Sun Yat Sen Univ Sch Atmospher Sci Planetary Environm &

    Astrobiol Lab Zhuhai Peoples R China;

    Sun Yat Sen Univ Sch Atmospher Sci Planetary Environm &

    Astrobiol Lab Zhuhai Peoples R China;

    Hong Kong Polytech Univ Dept Land Surveying &

    Geoinformat Hong Kong Peoples R China;

    Hong Kong Polytech Univ Dept Land Surveying &

    Geoinformat Hong Kong Peoples R China;

    Univ Oslo Ctr Earth Evolut &

    Dynam Oslo Norway;

    Sun Yat Sen Univ Sch Atmospher Sci Planetary Environm &

    Astrobiol Lab Zhuhai Peoples R China;

    Natl Astron Observ Key Lab Lunar &

    Deep Space Explorat Beijing Peoples R China;

    Sun Yat Sen Univ Sch Atmospher Sci Planetary Environm &

    Astrobiol Lab Zhuhai Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 地球物理学;
  • 关键词

    secondary craters; lunar regolith; shock mechanics; lunar penetrating radar; Moon; Chang'E-4;

    机译：次级陨石坑;月球概象;震动力学;月球渗透雷达;月亮;长安4;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号