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La identificación de etano líquido en el Ontario Lacus de Titán
R H Brown1, L A Soderblom, J M Soderblom
1Department of Planetary Sciences, University of Arizona, Tucson, Arizona 85721, USA. rhb@lpl.arizona.edu
Nature
|August 1, 2008
Resumen
El titán Titan es un titán.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- Astrobiología Astrobiología.
- La espectroscopia es una técnica de espectroscopia.
Sus antecedentes:
- La superficie de Titán carece de océanos globales de hidrocarburos como se suponía anteriormente.
- Las características que se asemejan a lagos y mares terrestres, junto con la erosión fluvial, sugieren actividad líquida.
- La precipitación de metano de la atmósfera es el presunto motor de la erosión.
Objetivo del estudio:
- Para analizar los datos espectroscópicos infrarrojos del instrumento VIMS de Cassini.
- Para determinar la composición de los líquidos dentro del Ontario Lacus de Titán.
Principales métodos:
- Se utilizaron datos espectroscópicos infrarrojos del espectrómetro de mapeo visual e infrarrojo (VIMS) de la nave espacial Cassini.
- Se analizaron las firmas espectrales para identificar componentes químicos en los líquidos de la superficie de Titán.
Principales resultados:
- Los datos espectroscópicos infrarrojos indican fuertemente la presencia de etano en Ontario Lacus.
- Es probable que el etano se encuentre en una solución líquida con metano, nitrógeno y otros hidrocarburos.
Conclusiones:
- Ontario Lacus on Titan contiene etano, probablemente mezclado con otros hidrocarburos.
- Este hallazgo refina nuestra comprensión de la composición y los procesos líquidos de la superficie de Titán.
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