what are the risks of space travel
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what are the risks of space travel
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what are the drawbacks of space travel
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risks of going to space
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what are the risks of space travel, what are the risks of space exploration, risks of space travel, health risks of space travel, possible health risks for space travel, what are the risks of space tourism, what are the drawbacks of space travel, what are the dangers of space, risks of going to space, why is space travel dangerous, how dangerous is space travel, problems with space travel, disadvantages of space travel, dangers of space flight, is space traveling dangerous