If you don't want to be a commander or a pilot, all you need is a bachelor's degree in a relevant field plus three years of professional experience, according to NASA.
If you meet those requirements, NASA is wants your application for its astronaut corps starting on December 14.
Of course, the process of actually being selected gets... intense. Between 4,000 and 8,000 people apply each round, but NASA usually only picks eight.
Keep scrolling to find out what it takes to become a NASA astronaut.