播放列表
正序
内容简介
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...
猜你喜欢
-
动物城里无小事
第6集完结
-
毒品攻防战 第一季
3集全
-
狂野人生
HD
-
南斯拉夫最后的国家队
已完结
-
十二冠之心
已完结
用户评论