HOUSTON.- Una extra\u00f1a forma rocosa ha llamado la atenci\u00f3n de la NASA y tambi\u00e9n ha despertado el orgullo mexicano: Tiene forma de sombrero charro.\u2019<\/p>\n
Oficialmente llamada Monta\u00f1a Media, la tambi\u00e9n llamada roca Sombrero, fue avistada por primera vez en una imagen de mosaico de la c\u00e1mara Mastcam-Z, el 9 de julio.
\nUna imagen en primer plano tomada el 8 de septiembre (arriba) fue tomada como parte de un an\u00e1lisis multiespectral y muestra una clara forma de sombrero charro.<\/p>\n
La roca fue analizada con una observaci\u00f3n de espectroscopia de ruptura inducida por l\u00e1ser
\n(LIBS) SuperCam y una observaci\u00f3n multiespectral Mastcam-Z para evaluar su composici\u00f3n.<\/p>\n
La idea, explica la NASA, es nvestigar si existe una diferencia de composici\u00f3n entre el n\u00facleo interno y el borde externo del \u201csombrero\u201d. Esto puede ayudarnos a comprender los procesos detr\u00e1s de su forma distintiva, aumentando as\u00ed nuestra comprensi\u00f3n de la historia geol\u00f3gica de esta \u00e1rea.<\/p>\n
Una hip\u00f3tesis sobre su forma de sombrero es que se debe a un proceso conocido como
\nendurecimiento. Aqu\u00ed es donde la capa exterior de una superficie de roca expuesta se
\nendurece debido a la erosi\u00f3n qu\u00edmica y un relativo ablandamiento del interior, o al
\nendurecimiento del exterior debido al desarrollo de una corteza. Esto puede hacer que el
\ninterior de la roca se erosione preferentemente, dejando formas interesantes y de aspecto ahuecado.<\/p>\n
Ambas versiones de este proceso de endurecimiento de la carcasa a menudo est\u00e1n
\nestrechamente asociadas con interacciones agua-roca cercanas a la superficie, por lo que esto podr\u00eda tener implicaciones interesantes para el clima pasado y el agua superficial en Marte.<\/p>\n","protected":false},"excerpt":{"rendered":"
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