Astronauts are one type of person that goes into space. Cosmonauts are another type of person.
Astronauts are from America.
Cosmonauts are from Russia. In space people need lots of exercise and calcium. Space Shuttles and Rockets Space Shuttles and Rockets are used to explore space. The Saturn5 is no longer in use but had more takeoff thrust than the Space Shuttle System, in 1996. The Space Shuttle has 1million less pounds in takeoff thrust than the Saturn5.