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Seas under ice: stability of water oceans within icy worlds

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Ruiz Pérez, Javier and Fairén, Alberto G. (2002) Seas under ice: stability of water oceans within icy worlds. In Proceedings of the First European Workshop on Exo-Astrobiology, 16 - 19 September 2002, Graz, Austria. ESA Publications Division, pp. 551-552. ISBN 92-9092-828-X

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Abstract

The possible existence of internal oceans in some icy bodies of the outer Solar System has been recently suggested in a joint of observations that cover a wide range of evidences: induced magnetic fields in Europa, Ganymede and Callisto [e.g., ref. 1], induced by Jupiter’s field in an electricity-conducting layer near the surface, likely salty water; hydrated minerals on the surface of Europa and Ganymede [3,4], which suggest the presence of water on the surface in the past, with probably an inner source; geological evidences of a mobile layer a few kilometers beneath the surface of Europa [5]; or a recent resurfacing in Triton suggested by the craterization’s density and distribution [6]. But the nature of the different proposed liquid layers could be very different, although the own existence of inner oceans could be a common phenomena.


Item Type:Book Section
Uncontrolled Keywords:Solar system; Internal Oceans
Subjects:Sciences > Geology > Geodynamics
ID Code:33404
Deposited On:01 Oct 2015 11:13
Last Modified:01 Oct 2015 11:13

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