Subglacial environments and the search for life beyond the earth

One of the most remarkable discoveries resulting from the robotic and remote sensing exploration of space is the inferred presence of bodies of liquid water under ice deposits on other planetary bodies: extraterrestrial subglacial environments. Most prominent among these are the ice-covered ocean of...

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Main Authors: Cockell, C., Bagshaw, E., Balme, M., Doran, P., McKay, C., Miljkovic, Katarina, Pearce, D., Siegert, M., Tranter, M., Voytek, M., Wadham, J.
Format: Journal Article
Published: American Geophysical Union 2011
Online Access:http://hdl.handle.net/20.500.11937/9899
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author Cockell, C.
Bagshaw, E.
Balme, M.
Doran, P.
McKay, C.
Miljkovic, Katarina
Pearce, D.
Siegert, M.
Tranter, M.
Voytek, M.
Wadham, J.
author_facet Cockell, C.
Bagshaw, E.
Balme, M.
Doran, P.
McKay, C.
Miljkovic, Katarina
Pearce, D.
Siegert, M.
Tranter, M.
Voytek, M.
Wadham, J.
author_sort Cockell, C.
building Curtin Institutional Repository
collection Online Access
description One of the most remarkable discoveries resulting from the robotic and remote sensing exploration of space is the inferred presence of bodies of liquid water under ice deposits on other planetary bodies: extraterrestrial subglacial environments. Most prominent among these are the ice-covered ocean of the Jovian moon, Europa, and the Saturnian moon, Enceladus. On Mars, although there is no current evidence for subglacial liquid water today, conditions may have been more favorable for liquid water during periods of higher obliquity. Data on these extraterrestrial environments show that while they share similarities with some subglacial environments on the Earth, they are very different in their combined physicochemical conditions. Extraterrestrial environments may provide three new types of subglacial settings for study: (1) uninhabitable environments that are more extreme and life-limiting than terrestrial subglacial environments, (2) environments that are habitable but are uninhabited, which can be compared to similar biotically influenced subglacial environments on the Earth, and (3) environments with examples of life, which will provide new opportunities to investigate the interactions between a biota and glacial environments. Copyright © 2010 by the American Geophysical Union.
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spelling curtin-20.500.11937-98992017-09-13T14:50:55Z Subglacial environments and the search for life beyond the earth Cockell, C. Bagshaw, E. Balme, M. Doran, P. McKay, C. Miljkovic, Katarina Pearce, D. Siegert, M. Tranter, M. Voytek, M. Wadham, J. One of the most remarkable discoveries resulting from the robotic and remote sensing exploration of space is the inferred presence of bodies of liquid water under ice deposits on other planetary bodies: extraterrestrial subglacial environments. Most prominent among these are the ice-covered ocean of the Jovian moon, Europa, and the Saturnian moon, Enceladus. On Mars, although there is no current evidence for subglacial liquid water today, conditions may have been more favorable for liquid water during periods of higher obliquity. Data on these extraterrestrial environments show that while they share similarities with some subglacial environments on the Earth, they are very different in their combined physicochemical conditions. Extraterrestrial environments may provide three new types of subglacial settings for study: (1) uninhabitable environments that are more extreme and life-limiting than terrestrial subglacial environments, (2) environments that are habitable but are uninhabited, which can be compared to similar biotically influenced subglacial environments on the Earth, and (3) environments with examples of life, which will provide new opportunities to investigate the interactions between a biota and glacial environments. Copyright © 2010 by the American Geophysical Union. 2011 Journal Article http://hdl.handle.net/20.500.11937/9899 10.1029/2010GM000939 American Geophysical Union restricted
spellingShingle Cockell, C.
Bagshaw, E.
Balme, M.
Doran, P.
McKay, C.
Miljkovic, Katarina
Pearce, D.
Siegert, M.
Tranter, M.
Voytek, M.
Wadham, J.
Subglacial environments and the search for life beyond the earth
title Subglacial environments and the search for life beyond the earth
title_full Subglacial environments and the search for life beyond the earth
title_fullStr Subglacial environments and the search for life beyond the earth
title_full_unstemmed Subglacial environments and the search for life beyond the earth
title_short Subglacial environments and the search for life beyond the earth
title_sort subglacial environments and the search for life beyond the earth
url http://hdl.handle.net/20.500.11937/9899