
Sergei Krikalyov; born 27 August 1958) is a Russian mechanical engineer and former cosmonaut. As a distinguished rocket scientist, he’s a veteran of six area flights and ranks third to Gennady Padalka and Yuri Malenchenko for essentially the most time spent in area: a complete of 803 days, 9 hours, and 39 minutes.
Krikalev was stranded on board the Mir station through the dissolution of the Soviet Union on December 26, 1991. Because the nation that had despatched him into area not existed and his return was delayed.
Consequently he stayed in area for 311 consecutive days, twice so long as the mission had initially known as for, earlier than he may return to Earth once more.
As a result of Krikalev spent a lot time in area away from Earth’s heart of gravity, time dilation (or the slowing down of clocks) prompted him to be 0.02 seconds older than different individuals born concurrently him.