国家/地区：英国
时长：58分钟
语言/字幕：英语
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 t…
The attempt to send and land astronauts on Mars risks billions of dollars and the lives of those brave eno…
