1.Astronaut- Astronauts go through rigorous athletic training to be able to walk in space. There are the ones go up to space and they have to have a mathematics or science related degree. 2.Engineer- Engineers design and build the vehicles and equipment that astronauts and other space people use to look at space. 3.Space Scientists- Space Scientists use other degrees and try and use them efficiently in space travel. 4.Technician- Technicians make the scientists and engineers ideas come to life by building them. 5.Astronomer- Astronomers use telescopes or other equipment to survey space from a distance and observe.