by 2di7 & titanio44 火星は太陽系の中でも特に地球と似ている星といわれており、かつて水が存在していた証拠や、生命の兆候の可能性がある有機化合物などが発見されています。新たに、NASAの火星無人探査機であるキュリオシティが、「太古の火星が地球に似た環境だった」ことを示す証拠を発見しました。 Manganese‐Rich...
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