Who holds the record for the longest single stay in space?
Valeri Polyakov
Gennady Striekalov
Yang Liwei
Phạm Tuân
Valeri Vladimirovich Polyakov was a Russian cosmonaut. He stayed aboard the Mir space station for more than 14 months (437 days 18 hours) during a single mission.
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Valeri Polyakov
Gennady Striekalov
Yang Liwei
Phạm Tuân
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