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...
阿克塞尔·阿隆索 海莉·阿特维尔 杰瑞·康威 路易斯·德·埃斯波西托 阿伦·费恩 赛斯·格林 克拉克·格雷格 吉米·坎摩尔 斯坦·李 Ralph Macchio 托德·麦克法兰 帕顿·奥斯瓦尔特 尼科尔·帕尔曼 乔·奎萨达
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