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Cosmonaut Valeri Polyakov holds the record for longest single spaceflight with a stay of 437 days on Mir. http://en.wikipedia.org/wiki/Valeri_Polyakov http://e
by a-priori 16y ago
Cosmonaut Valeri Polyakov holds the record for longest single spaceflight with a stay of 437 days on Mir.
http://en.wikipedia.org/wiki/Valeri_Polyakov http://en.wikipedia.org/wiki/Valeri_Polyakov