According to Einstein's theory of relativity, time passes more slowly for objects moving at high speeds compared to stationary observers; Russian cosmonaut Sergei Krikalev, who spent over 803 days in orbit traveling at 17,000 mph, has aged approximately 1/50th of a second less than people on Earth, demonstrating this relativistic time dilation effect.
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Cosmonaut's Time-Bending Journey: Record Orbit Explained! #shortsAdded:
Russian cosmonaut Sergei Krikalev has logged more than 803 days in orbit, traveling 17,000 mph, making him the world's record holder in time travel.
Though you'd hardly know it to look at him.
What's actually happened is that he's about a 50th of a second slower in the amount of time that has passed for him compared to everyone else who stayed on Earth.
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