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Bringing the Visible Universe into Focus with Robo-AO
Published on: February 12, 2013
La investigación científica de Athena del Spirit Rover en el cráter Gusev, Marte, fue
S W Squyres1, R E Arvidson, J F Bell
1Department of Astronomy, Cornell University, Ithaca, NY 14853, USA. squyres@astro.cornell.edu
Science (New York, N.Y.)
|August 7, 2004
Resumen
El Mars Exploration Rover Spirit investigó el cráter Gusev, pero no encontró sedimentos del lago. En cambio, las rocas basálticas muestran evidencia de alteraciones menores del agua, posiblemente enterradas por flujos de lava posteriores.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- Geología Geología Geología.
- Astrobiología Astrobiología.
Sus antecedentes:
- Se planteó la hipótesis de que el cráter Gusev en Marte era un antiguo lago.
- Las investigaciones anteriores tenían como objetivo encontrar evidencia de sedimentación lacustre.
Objetivo del estudio:
- Para investigar el sitio de aterrizaje del cráter Gusev utilizando el Mars Exploration Rover Spirit.
- Para determinar la presencia y la naturaleza de los procesos geológicos y la posible alteración acuosa.
Principales métodos:
- Utilizó el Mars Exploration Rover Spirit y su carga útil de ciencia Athena.
- Analizó la litología dominante y los procesos geológicos en el sitio de aterrizaje.
Principales resultados:
- No se encontró evidencia clara de sedimentación lacustrina.
- La litología dominante es el basalto, siendo los eventos de impacto y el transporte eólico los principales procesos geológicos.
- Muchas rocas exhiben revestimientos que sugieren una alteración acuosa menor.
Conclusiones:
- El sitio de aterrizaje del cráter Gusev es predominantemente basáltico, moldeado por impactos y vientos.
- La evidencia sugiere una alteración acuosa menor en el pasado, pero cualquier sedimento potencial del lago parece estar enterrado.
- Se necesita más investigación para comprender la historia geológica completa y el potencial de habitabilidad pasada.
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