Not only are they courageous and brave but they are having fun while they are up there!
This is awesome, if you haven’t seen it yet.
Commander Chris Hadfield–who has single-handedly restored America’s romance with space exploration–taps into his inner Bowie as he gets ready to depart the international space station. If this guy can make orbiting the Earth so interesting, imagine what he could do if we sent him to Mars.
Fact: that is his real voice.