Are we alone in the universe? For over half a century, legendary NASA engineer and best-selling science fiction author, Gentry Lee, has explored every aspect of this question in the realms of space science, robotic exploration and the human imagination. At age 82, he has come to a revelatory conclusion.
天天美剧专注美剧与海外剧集,本片更新后会自动同步最新集数。
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