这是真正的“空中”教室，他们在宇宙空间站接受学生来自地球的提问
"In fact, one way to think about that when we're on the International Space Station and all the lights are on when we look outside, it's very much like trying to look at the stars when you're in Boise. You can see some, but then if you go up high in the mountains, up to McCall, and you have all the …