what do you have to study to be an astronaut
How long do you have to study to become an astronaut? A: NASA requires its mission specialists and its commander and pilot astronauts to have bachelor's degrees in biological science, physical science, mathematics or engineering; most people take four years to earn these degrees.
Ability to pass the NASA long-duration Astronaut physical, which includes the following specific requirements: Distant and near visual acuity must be correctable to 20/20, each eye. The use of glasses is acceptable. The refractive surgical procedures of the eye, PRK and LASIK, are allowed.