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Astronauts fly the craft and participate in experiments. They provide what is commonly called "human intelligence" regarding the outcome of these experiments.
space lab
do observations, try experiments and more
Astronauts make Earth spin
a space lab!
Most experiments conducted are medical experiments, but fluid mechanics experiments, various experiments involving weightlessness, and testing of new technologies are also conducted.
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Spacewalk,from repairs,to intalling new experiments
Astronauts were able to conduct experiments in space. The unique microgravity environment allows for studies on various topics such as biology, physics, and materials science that cannot be easily replicated on Earth. Conducting experiments in space provides valuable insights into how different processes and phenomena behave in microgravity conditions.
Spacelab ( not used now) and Columbus.
All properly-designed experiments should have some sort of control.
nothing good