Experts have long debated the possibility of life on Mars and whether it had been home to oceans.
Scientists have found evidence of an ancient ocean on Mars which they say increases the"potential for life".
Topography maps were closely analysed by researchers, who found traces of a northern hemisphere ocean that experienced sea level rises consistent with a warm and wet climate.The data is based on"recently released" topography and the findings assume that"erosion has not significantly reshaped the Martian surface over the last 3.5 billion years".
Researchers were able to show"definitive evidence" of a shoreline with"substantial sedimentary accumulation" which was at least 900m thick covering thousands of square miles. Benjamin Cardenas, an assistant professor in the geosciences department at Pennsylvania State University and the study's lead author, said:"What immediately comes to mind as one of the most significant points here is that the existence of an ocean of this size means a higher potential for life.
France Dernières Nouvelles, France Actualités
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