Un informe fundamental para las próximas exploraciones lunares es la que acaba de realizar el Servicio Geológico de los Estados Unidos (USGS), la NASA y el Instituto Lunar Planetario, que acaban de sacar un mapa geológico completo de la Luna.
Llamado «Mapa Geológico Unificado de la Luna», servirá como el modelo definitivo de la geología de la superficie del satélite natural de la Tierra para futuras misiones humanas y será invaluable para la comunidad científica internacional, los educadores y el público en general. El mapa digital está disponible en línea ahora y muestra la geología de la luna con increíble detalle (escala 1: 5,000,000).
El actual director del USGS y ex astronauta de la NASA Jim Reilly, analizó que, «a Luna siempre ha fascinado a la gente y cuando podríamos regresar. Entonces, es maravilloso ver un USGS crear un recurso que puede ayudar a la NASA con su planificación para futuras misiones ”.
Para crear el nuevo mapa digital, los científicos utilizarán información de seis mapas regionales de la era del transbordador espacial Apolo junto con información actualizada de recientes misiones satelitales a la Luna. Los mapas históricos fueron rediseñados para alinearlos con los conjuntos de datos modernos, preservando así las observaciones e interpretaciones anteriores. Junto con la fusión de datos nuevos y antiguos, los investigadores del USGS también desarrollaron una descripción unificada de la estratigrafía, o capas de roca, de la Luna. Esto resolvió problemas de mapas anteriores donde los nombres de rocas, descripciones y edades a veces eran inconsistentes.
“Este mapa es la culminación de un proyecto de décadas”, dijo Corey Fortezzo, geólogo y autor principal del USGS. «Proporcionamos información vital para nuevos estudios científicos al conectar la exploración de sitios específicos en la luna con el resto de la superficie lunar».
Los datos de evaluación para la región ecuatorial de la Luna provienen de las observaciones estéreo recopiladas por la cámara Terrain en la reciente misión SELENE (Explorador de ingeniería y selenología) dirigida por JAXA, la Agencia de Exploración Aeroespacial de Japón. La topografía para los polos norte y sur se complementó con los datos del altímetro láser del Orbitador Lunar de la NASA.
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