For the first few weeks of spaceflight, most astronauts appear to have a puffy head and skinny legs. The fluid in their bodies redistributes evenly when gravity isn't playing a role in their biologica
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mac121mr0
8 years ago Report
-l systems. After a little time in orbit, however, the body adapts to the new distribution of fluids, and the astronauts don't appear as puffy.
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Coordination Conundrum After Landing - After coming home from a stint on the space station, many astronauts have reported difficulty adjusting back to gravity. Sometimes, spaceflyers will drop things,
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-forgetting that gravity is influential back on Earth. After six months in microgravity conditions, it is difficult to adjust to life in a place where materials fall if you drop them.
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Bone Density Loss - All that exercise on the space station also helps prevent bone-density loss. Each month, astronauts could lose up to 1 percent of their bone density if they don't get enough exerci
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-se
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You Grow Taller - During the six months that most astronauts spend on the International Space Station, they can grow up to 3 percent taller. Without gravity, the spine is free to expand, making the sp
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mac121mr0
8 years ago Report
-ine is free to expand, making the spaceflyers taller, even when they first return to Earth. The astronauts return to their preflight height after a few months of being back within the planet's gravity.
