Their muscles slowly weaken because they do not have to act against the forces gravity in the Zero-Gravity environment of space.
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they stay as astronauts for 6 or more months
Repeating actions over an extended period of time develops muscular endurance,
Astronauts stay on the ISS for 6 or more months.Generally, it is for 6 or more months.
After astronauts arrive at Mars they will need to wait 15.4 months for the Earth and Mars to line up right before they launch In order to make it back home.
7 months
it sometimes takes up to 12 months
Astronauts traveling to Mars will face the challenge of prolonged exposure to deep space radiation, which is significantly higher than what astronauts experienced in low Earth orbit. Additionally, the lengthy duration of the journey, lasting several months, will require new psychological and social strategies to maintain mental health and group cohesion, as isolation and confinement will be far more intense than previous missions.
It stays not started for several months.
Astronauts stay on the ISS for 6 or more months.Generally, it is for 6 or more months.
You can. Astronauts and cosmonauts have lived in space for up to 6 months at a time.
acclimation