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4 小时
NASA Astronaut Shows How to Change Camera Lens in Zero Gravity
An astronaut onboard the International Space Station (ISS) recently demonstrated how to change a camera lense in zero-gravity ...
Knowridge
9 小时
How living without gravity affects the human body
Microgravity also affects muscles and bones. Without the constant pull of gravity, muscles don’t have to work as hard, leading to muscle loss. Similarly, bones begin to lose density because they ...
Knowridge
2 天
How astronauts train for long missions
Mental preparation is just as important as physical training. Being in space for long periods can be isolating and stressful, ...
5 天
on MSN
Can astronauts have sex in space, how will a child born in space look like?
It is noteworthy that in zero gravity, astronauts lose bone density by up to 12 percent in just six months. This could make ...
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