太阳系最可能有生命的星体 土卫二和金星居首(5)
土卫六
土卫六
依据10月公布的标准微生物可居住性指数,土星卫星土卫六是生命存在系数最低的星体,其得分等级仅0.001。波多黎各大学的门德兹称,由于土卫六表面以下温度和浓密大气层压力非常极端,很难孕育生命存在。如果该卫星上的确存在生命,那它们必须依赖海洋热点区域生存。全面地讲,海洋热点区域并不是理想的生命存在地点。
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