Approximately 463 astronauts have been to space, but usually there are only three at once - the astronauts on the International Space Station. When the shuttle is on a mission there are a total of ten or eleven people in space.
Asked in Astronauts
How many countries have launched astronauts into space?
Only 3 countries have launched a rocket and sent astronauts in to space. The United States, China, and Russia. Many other countries have sent astronauts in to space but they went on rockets belonging to other countries. ...
Why is it advantageous for astronauts to live on a space station rather than a space shuttle?
it is advantageous for astronauts to live on a space station rather a space shuttle because a space station allow astronauts to stay and work extended time . A space shuttle is a space craft to transport astronauts , satellites, and other materials to and from space. ...