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Un joven terráneo multicapa del norte del Mare Imbrium revelado por la misión Chang'E-3

Long Xiao¹, Peimin Zhu², Guangyou Fang³

¹China University of Geosciences, Wuhan 430074, China. Macau University of Science and Technology, Macau, China. longxiao@cug.edu.cn zhupm@cug.edu.cn gyfang@mail.ie.ac.cn.

Science (New York, N.Y.)

|March 14, 2015

Resumen

La misión china Chang'E-3 aterrizó en el Mare Imbrium de la Luna, revelando una compleja geología y una composición única de rocas. El rover Yutu proporcionó datos iniciales sobre esta región lunar no muestreada anteriormente.

Área de la Ciencia:

Geología lunar geología lunar.
Ciencias planetarias Ciencias planetarias.
La exploración espacial es la exploración espacial.

Sus antecedentes:

La misión Chang'E-3 de China tuvo como objetivo el norte del Mare Imbrium, una región lunar que anteriormente carecía de muestreo directo.
El lugar de aterrizaje está situado en el borde de un cráter joven de 450 metros.

Objetivo del estudio:

Para llevar a cabo un análisis geológico preliminar del sitio de aterrizaje Chang'E-3 en Mare Imbrium.
Para caracterizar la superficie y la composición del subsuelo y la historia geológica de la región.

Principales métodos:

Análisis de los datos de la cámara de descenso del módulo de aterrizaje Chang'E-3.
Utilizando imágenes de la cámara del rover Yutu.
Interpretando los datos del radar de penetración lunar (LPR) del rover Yutu.

Principales resultados:

El rover Yutu recorrió 114 metros, documentando una superficie áspera con rocas excavadas.
El análisis de la roca sugiere una composición rica en plagioclasa y agregados de silicato máfico, similar a la dolerita terrestre.
El radar de penetración lunar identificó más de nueve capas subterráneas distintas, lo que indica procesos geológicos complejos.

Conclusiones:

El sitio de aterrizaje de Mare Imbrium exhibe una historia geológica distinta de los sitios anteriores de las misiones Apollo y Luna.
La estructura subterránea de la región apunta a una evolución geológica significativa desde el período Imbriano.
Los hallazgos preliminares destacan la naturaleza geológica única de la zona de aterrizaje Chang'E-3.

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