大象传媒

Greg 'Ray J' Johnson talks about why he became an astronaut and what it's like going into space. He explains how astronauts eat, sleep, and go to the toilet in the space shuttle. As well as revealing why he became an astronaut, Greg describes what space flight involves. He also shares his views on what he thinks the next target for space exploration will be, as well as the prospects of finding life in space. He also gives advice to anyone interested in becoming an astronaut.