NASA astronaut Christina Koch, who traveled around the Moon and back, demonstrates that getting used to Earth's gravity isn't exactly easy.
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Spending prolonged periods of time in the microgravity of space can wreak havoc on our bodies. Scientists have found that astronauts… [+2764 chars]
Spending prolonged periods of time in the microgravity of space can wreak havoc on our bodies. Scientists have found that astronauts… [+2764 chars]