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Un gigantesco origen de impacto de Plutón y Caronte
1Southwest Research Institute, Boulder, CO 80302, USA. robin@boulder.swri.edu
Science (New York, N.Y.)
|February 1, 2005
Resumen
Plutón y su gran luna, Caronte, probablemente se formaron a partir de un impacto gigante, lo que sugiere las primeras colisiones del cinturón de Kuiper entre grandes cuerpos celestes. Este impacto puede haber creado un Caronte intacto o un disco de escombros para su posterior acreción.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- La astronomía es la astronomía.
- Formación del sistema solar Formación del sistema solar
Sus antecedentes:
- Plutón y Caronte son objetos clave en el cinturón de Kuiper, que ofrecen información sobre la evolución del sistema solar.
- Comprender su origen es crucial para descifrar los procesos de formación del sistema solar exterior.
Objetivo del estudio:
- Para investigar la plausibilidad de la formación del sistema Plutón-Carón a través de una gran colisión.
- Para explorar los resultados potenciales de tal evento de impacto.
Principales métodos:
- Utilizando simulaciones hidrodinámicas para modelar el escenario de impacto.
- Analizar los resultados de la simulación para determinar la probabilidad de diferentes vías de formación.
Principales resultados:
- Las simulaciones hidrodinámicas indican que una gran colisión es un mecanismo plausible para la formación del sistema Plutón-Carón.
- El impacto probablemente resultó en la formación de un Caronte intacto.
- Un resultado alternativo sugiere un disco de escombros orbitando a Plutón, del cual Caronte se acrecentó más tarde.
Conclusiones:
- La formación de Plutón y Caronte a través de un evento de impacto significativo es fuertemente apoyada.
- Estos hallazgos implican que las colisiones que involucran objetos de la clase de 1000 kilómetros eran comunes en el primer cinturón interior de Kuiper.
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