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A tiny, ice-encrusted ocean world orbiting Saturn is now a hotter than ever candidate for potential life, as NASA says it has almost all conditions to harbor life.
Scientists announced on Thursday that NASA's Cassini spacecraft detected the presence of molecular hydrogen in water plumes erupting from Saturn's moon, Enceladus.
The hydrogen was detected during Cassini's deep dive close to the surface of the moon in October 2015. The spacecraft determined that the plumes are 98 percent water and one percent hydrogen, with traces of ammonia, carbon dioxide, and methane.
参考译文
一个围绕土星运转并覆盖着冰层的海洋世界是有史以来最有可能存在生命的卫星，美国国家航空航天局（NASA）称其基本具备生物存活的所有条件。
周四，科学家宣布NASA的卡西尼号太空船在土卫二喷射的羽流中观测到了氢分子。
2015年10月，卡西尼号太空船在深入接近该卫星表面时发现了氢。该太空船鉴定羽流中有98%是水，1%是氢，此外还有氨、二氧化碳和甲烷的迹象。
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