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Koch will spend a total of 328 days in space, breaking a record previously set by Peggy Whitson (Image credit: NASA)   NASA astronaut Christina Koch recently made history. The 40-year-old electrical engineer broke the record for the longest single spaceflight by a woman, breaking the previous record of 288 days set by former Station Commander Peggy Whitson. Koch is expected to spend a total of 328 days onboard before she returns to Earth in February 2020. Typical missions last about six mo ...

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