Synopsis: Astronauts are the people who travel through space but before becoming an astronaut they first have tests to do. They were spun very rapidly while they were spun someone was asking them questions. the value of the test was shown the first time that astronauts in space hooked there space capsule to a stage of Agena rocket. Operating a space capsule is hard and dangerous work. To live for days or weeks cramped in a tiny moving room an astronaut must be in excelent health if they want to be an astronaut.