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Estructura y formación de las tierras altas de la cara oculta lunar
Ian Garrick-Bethell1, Francis Nimmo, Mark A Wieczorek
1Department of Geological Sciences, Brown University, Providence, RI 02912, USA. igarrick@ucsc.edu
Resumen
Las tierras altas del otro lado lunar.
Área de la Ciencia:
- La ciencia lunar es la ciencia lunar.
- Geología planetaria Geología planetaria.
- La geofísica es la geofísica.
Sus antecedentes:
- El origen de las tierras altas de la cara oculta lunar sigue siendo un problema sin resolver significativo en la ciencia lunar.
- Comprender esta región es clave para comprender la evolución geológica general de la Luna.
Objetivo del estudio:
- Para investigar la formación y la estructura de las tierras altas de la cara oculta lunar.
- Explorar la relación entre la topografía del lado lejano, el grosor de la corteza y los procesos internos.
Principales métodos:
- Análisis de la topografía lunar y datos de espesor de la corteza.
- Aplicación del análisis armónico para cuantificar las características estructurales.
- Comparación de las características observadas con modelos teóricos.
Principales resultados:
- Gran parte de la topografía y el grosor de la corteza de las tierras altas del lado lejano se pueden describir por una estructura armónica de grado 2.
- Esta estructura de grado 2 es única en la cara oculta, lo que la distingue de otras regiones lunares.
- Los hallazgos sugieren un vínculo entre la estructura de la corteza lunar, el vulcanismo cercano y los elementos que producen calor.
Conclusiones:
- La topografía de la cara trasera no se explica por una simple protuberancia de marea congelada.
- Las variaciones espaciales en el calentamiento de las mareas durante una fase de océano magmático pueden haber causado el grosor de la corteza y la topografía de la cara oculta.
- Este proceso es análogo a la capa de hielo de la luna de Júpiter Europa.
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