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Published Online: 5 July 2004

Martian Water: Are There Extant Halobacteria on Mars?

Publication: Astrobiology
Volume 1, Issue Number 2

Abstract

On Earth, life exists in all niches where water exists in liquid form for at least a portion of the year. On Mars, any liquid water would have to be a highly concentrated brine solution. It is likely, therefore, that any present-day Martian microorganisms would be similar to terrestrial halophiles. Even if present-day life does not exist on Mars, it is an interesting speculation that ancient bacteria preserved in salt deposits could be retrieved from an era when the climate of Mars was more conducive to life.

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cover image Astrobiology
Astrobiology
Volume 1Issue Number 2June 2001
Pages: 161 - 164
PubMed: 12467119

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Published online: 5 July 2004
Published in print: June 2001

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Geoffrey A. Landis
NASA John Glenn Research Center, 21000 Brookpark Road, Cleveland, OH 44135.

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