Secondary gas disks around main sequence stars may regenerate planetary atmospheres, potentially transforming desiccated rocky worlds into gas-enveloped sub-Neptunes that feature high metallicities and enhanced atmospheric C/O ratios.

中文翻译：

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晚期星状积屑瘤翻新

主序恒星周围的次级气体盘可能会使行星大气再生，从而有可能将干燥的岩石世界转变成气体包裹的亚海王星，这些亚海王星具有高金属性和增强的大气C / O比。