太阳系最可能有生命的星体 土卫二和金星居首(2)
金星
金星
众所周知,多岩石、像沙漠的金星表面过于太热,很难适合微生物存在。依据10月公布的标准微生物可居住性指数,微生物在大气层中能够大量生存,至少可以临时性存在,在金星表面上空31英里处的凉爽气流中,其适宜生存得分等级为0.4。
波多黎各大学的门德兹称,金星大气层潜在孕育生命的可能性要高于地球大气层。然而,金星的大气层并不稳定,空气循环最终会迫使生命在低纬度地区生存,而低纬度区域由于高温条件能够完全杀死微生物。
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