1. Why do you think astronauts grow taller?
2. Do you think they stay that tall when they return to Earth?
(The answer is they don't. They shrink back to their original height.)
2. Do you think they stay that tall when they return to Earth?
(The answer is they don't. They shrink back to their original height.)
3. Do you think growing taller is a good thing in space, or a bad thing? Why?
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