NASA的那些事 - NASA 拒绝让宇航员穿着宇航服进入地球上的真空 NASA有着世界最大的真空室，但美国宇航局 NASA 拒绝让宇航员穿着宇航服进入地球上的真空以证明这是可能的，因为他们知道这是不可能的。 NASA has the world's largest vacuum chamber, but NASA refuses to let astronauts wear spacesuits into the vacuum of Earth to prove it's possible because they know it's impossible.