欢迎大家来此在线收看《宏大构想：我们要去火星吗？》的高清完整版。本片是由著名导演Alex Hemingway 的一部精彩的纪录 影视作品，该片讲述的是：The attempt to send and land astronauts on Mars risks billions of dollars and the lives of those brave enough to attempt it. Is the possible benefit really worth the risk? And is it really achievable?　　Guiding us through this ethical and scientific minefield is Dr Kevin Fong. Kevin's diverse background in astrophysics, aeronautics and medicine makes him uniquely placed to unders...

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