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BlobNotFoundThe specified blob does not exist. RequestId:94e0dcab-501e-011a-1402-6c5153000000 Time:2019-09-15T20:13:44.4835094Z

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  卡西尼探测器在土星卫星Dione外层大气中发现了氧离子(O2 +)。Dione是一颗冰卫星,氧气被认为是在土星强辐射带与Dione的水冰交互作用下产生的,辐射分解了水分子,向外层大气释放出氧气。

  最新的发现无疑会促使科学家呼吁向气态巨行星的卫星发射更多探测器寻找外星生命形式,在比较适宜生命生存的卫星上,如果存在液态水和氧气,是有可能出现微型生命形式。

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BlobNotFoundThe specified blob does not exist. RequestId:fc4f80fb-901e-0003-2702-6c3b6e000000 Time:2019-09-15T20:13:44.4484126Z
channelId 1 1 土星卫星Dione周围发现氧 1 氧气被认为是在土星强辐射带与Dione的水冰交互作用下产生的,辐射分解了水分子,向外层大气释放出氧气