How much is 1 year in space on Earth?
How much is 1 year in space on Earth? Time Dilation and Interstellar Space Flight That is, the spacecraft's clock would display less elapsed time than the clocks back on Earth. For extremely high speeds during a journey, the effect would be more dramatic. For example, one year of interstellar travel might correspond to ten years back on Earth.
Are humans aging slower?
The study found that biological age is lower for recent periods across all age groups, but the difference varies based on age and gender. The scientists think that changes in smoking, obesity, and medication use are partly the reason.