So people believe now that Titan is most likely what we call a pre-biotic planet, because it's so cold organic material did not get to the stage of becoming biological material, and therefore life could have evolved on it.
今ではタイタンは前生物的な惑星と呼ばれています あまりの寒さのため 有機物が生命の誕生と進化に 必要な生命の素材に 発展しなかったと考えられます