Astronauts Lost In Space For 311 Days. Sergei krikalev, a cosmonaut, was stranded in space for over 311 days as the soviet union collapsed 250 miles beneath him. He was up there a total of 804 days, nine.
As of the beginning of 2022, there have been five fatal incidents during space flights, in which 19 astronauts were lost in space and four more astronauts died. Sergei krikalev, a cosmonaut, was stranded in space for over 311 days as the soviet union collapsed 250 miles beneath him.
