Astronauts are trained for space travel. This means a lot of work. After training, some astronauts go to space. Here are some of the things they might do on a mission.
Spacewalks
Sometimes, astronauts go outside. They suit up. This astronaut is outside the space station. He is making a repair.
Research
Astronauts do science experiments. This one is studying how vegetables grow in space. Others test robots and machines.
Teamwork
Astronauts from different countries are aboard the space station. They work and learn together.
Exercise
It is important to stay healthy. Astronauts exercise regularly. This one is using a treadmill. He is attached to it so he does not float.
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