从欧罗·巴多冰的表面上侦测到的深色非冰沉积物中可以找到答案的线索。

Clues could come from dark, non-ice deposits that have been detected on Europa's icy surface.

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地图上该区域即为德特罗尼鲁斯·门萨地区，位于火星北半球，图上以蓝色标出了探测到的冰沉积物所在的区域。

This map of a region known as Deuteronilus Mensae, in the northern hemisphere, shows locations of the detected ice deposits in blue.

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这表明，轨道(遥感)探测(比如“亥伯龙号”)的方法可以用来探测木卫二非冰沉积物的化学成分，并可能从中发现地外微生物等生命迹象。

This means that an orbiting sensor like Hyperion could be used to identify chemicals in Europa's non-ice deposits that may be a sign of extraterrestrial microbial life.

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