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Russians cosmonauts Alexander Ivanchenkov (L), Vladimir Dzhanibekov (C), and French astronaut Jean-Loup Chretien returning to Earth after a 7 day space mission. It was the second expedition to the 'Salyut 7' space station by the 10th international crew. | Location: near Arkalyk, USSR. (Photo by Eric Préau/Sygma via Getty Images)

Russians cosmonauts Alexander Ivanchenkov (L), Vladimir Dzhanibekov (C), and French astronaut Jean-Loup Chretien returning to Earth after a 7 day space mission. It was the second expedition to the 'Salyut 7' space station by the 10th international crew. | Location: near Arkalyk, USSR.  (Photo by Eric Préau/Sygma via Getty Images)