Historical experience tells us that the world economic crisis is often accompanied by great changes in the world: the electrical revolution after the world economic crisis in 1857 promoted human society from the steam era to the electrical age; in 1929, the world economic crisis triggered the second World War, which objectively promoted the development of science and technology
It can be seen that it is the economic crisis that has brought about great changes in the world
The life expectancy of astronauts is significantly higher than that of ordinary people, so radiation exposure in space travel will not harm the human body