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La vita su Marte va cercata nel sottosuolo o nei luoghi dove i materiali che si trovavano in profondità sono stati portati in superficie dalle acque sotterranee.
Lo afferma uno studio di ricercatori del Planetary science institute di Londra, pubblicato sulla rivista Nature Geoscience.
Quando la fotosintesi e la vita si sono evolute sulla Terra, la superficie marziana, osservano gli studiosi, è diventata estremamente inospitale ma il sottosuolo del Pianeta rosso era sufficientemente umido e potrebbe aver contenuto un habitat favorevole alla vita.
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