New Mars theory casts doubt on planet's habitability
Publié
par
Clifford Armion
le 09/10/2012
Activer le mode zenAmina Khan
A new theory is pouring some cold — actually, some really hot — water on the idea that Mars could have been habitable in the past.Planetary scientists searching the Red Planet for places that could have contained the building blocks for life look for clues in clays, which can offer some indication that water must have flowed on or just under Mars' surface. But a new study suggests that, at least in some cases, those clays might be a red herring.
A paper published online Sunday by the journal Nature Geoscience argues that such clays might have been formed in hot Martian magma rich in water. If so, that water would have been far too hot to support microbial life.
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Pour citer cette ressource :
"New Mars theory casts doubt on planet's habitability", La Clé des Langues [en ligne], Lyon, ENS de LYON/DGESCO (ISSN 2107-7029), octobre 2012. Consulté le 23/04/2024. URL: https://cle.ens-lyon.fr/anglais/archives/archives-revue-de-presse/new-mars-theory-casts-doubt-on-planet-s-habitability