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回答先: ごくろうさまです(^^)できれば「エウロパに生命体?」も… 投稿者 一刀斎 日時 2000 年 5 月 09 日 20:43:44:
Scientists disagree about the chemical makeup of the dark materials; both sulfuric acid (common battery
acid) and salty minerals, perhaps from a subsurface ocean, have been suggested. Analysis of images like this
one may help to resolve this controversy. Surprisingly, either material could help to produce conditions below
the surface that could be favorable to the formation of living organisms.