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Composition and source analysis of shallow material in the lunar Von Kármán Crater from joint in-situ and orbital remote sensing

  • role： First author第一作者
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

  • Email：2110969@tongji.edu.cn
  • Introduction：陈书睿，研究方向为月球多源遥感探测。E-mail： 2110969@tongji.edu.cn
CHEN Shurui12,  
  • role： Corresponding author通信作者
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

  • Email：yjfeng@tongji.edu.cn
  • Introduction：冯永玖，研究方向为空间要素多维建模与深空探测应用。E-mail： yjfeng@tongji.edu.cn
FENG Yongjiu12*,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

TONG Xiaohua12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

JIN Yanmin12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

WANG Chao12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

XU Xiong12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

LIU Sicong12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

TANG Panli12,  
  • Affiliation：

    College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China

    The Shanghai Key Laboratory of Space Mapping and Remote Sensing for Planetary Exploration, Tongji University, Shanghai 200092, China

YANG Qiquan12

resumen

Chang'e-4 es la primera sonda en lograr un aterrizaje suave en el lado oculto de la luna en la historia de la humanidad. El cráter Von Kármán, donde se encuentra el lugar de aterrizaje, está en el noreste de la estructura de impacto lunar más grande (cuenco Anticipkinic-Antlikin). Las actividades de exploración científica de Chang'e-4 proporcionarán valiosos datos de investigación para analizar la formación y evolución del lado oculto de la luna. Este artículo combina los datos del radar lunar, los datos ópticos y multiespectrales del orbitador y el último mapa geológico de la luna llevado por Yutu-2, para un análisis profundo de la composición de la superficie poco profunda del cráter Von Kármán, la distribución espacial de minerales y la fuente de los materiales. Los resultados muestran que la estructura poco profunda del cráter Von Kármán está compuesta principalmente por una capa de regolito lunar, una capa de salpicaduras, una capa de regolito antiguo y una capa de roca base, cuya composición de la capa de regolito lunar presenta grandes diferencias y puede dividirse principalmente en tres categorías: material orgánico primitivo (al sur y oeste del cráter de impacto), Sólidos foráneos (al este del cráter de impacto y en el área de la montaña Taishan al noroeste) y materiales profundos (alrededor del cráter de impacto de Venus). La región del este del cráter de impacto está influenciada en gran medida por partículas foráneas, que provienen principalmente del cráter de impacto L'Elbris en la dirección sureste y del cráter de impacto Finsen en la dirección noreste.

palabra clave

lunar shallow structure;Chang’E-4;Von Kármán crater;crater distribution;spatial statistics;mineral composition;empirical Bayesian kriging;material origin

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