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Why do astronauts grow old in space?

Why do astronauts grow old in space?

Since the first space flight in 1961, space has attracted and fascinated astronauts and scientists from around the world. With each mission, new discoveries are made, pushing the boundaries of our understanding of the universe. Spaceflights, like that of Thomas Pesquet in 2021, who spent six months in space, are not just exploration. They are also unique opportunities to conduct important experiments on the human body in a gravity-free environment. These experiments are essential to prepare humans for long-term space travel, for example to Mars.

Space missions They are not just adventurous trips: they are also extremely important scientific projects. In fact, astronauts go into space to conduct research on various aspects of physics, biology, medicine, and science.Astronomy. For example, aboard the International Space Station (ISS), French and foreign astronauts can study the effects of weightlessness On the human bodyTesting new space technologies and making astronomical observations not possible from Earth.

The most prominent effect of space travel on astronauts' bodies is the increase in body size. So, Thomas Pesquet His length grew from 1.84 meters to 1.89 meters after his six-month stay on the International Space Station. This phenomenon is due to microgravity in space (…)

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