Curiosityローバーが火星に古代の生命の痕跡を発見
NASAのCuriosityローバーが火星のゲール・クレーターで、数十億年前に微生物が存在した可能性を示す有機分子とメタンの変動を検出しました。これらの発見は、火星がかつて生命を維持できる環境であったことを示唆しています。
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