Unsurprisingly, the application process to become an astronaut is competitive. Thousands of people apply and only a handful are selected to begin the candidacy course. Even then, some may leave or fail to pass the rigorous tests over the two years training.
Unsurprisingly, the application process to become an astronaut is competitive. Thousands of people apply and only a handful are selected to begin the candidacy course. Even then, some may leave or fail to pass the rigorous tests over the two years training.