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goodabouthood
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Let's say there are two synchronized clocks on Earth.
One leaves the Earth going at .8c and travels in uniform motion for one year. At the one year mark the clock is handed off to another spaceship coming towards Earth at the same speed of .8c.
The clock eventually makes it back to Earth and two years have gone by for it. How much time has gone by on Earth or what does the other clock on Earth say?
One leaves the Earth going at .8c and travels in uniform motion for one year. At the one year mark the clock is handed off to another spaceship coming towards Earth at the same speed of .8c.
The clock eventually makes it back to Earth and two years have gone by for it. How much time has gone by on Earth or what does the other clock on Earth say?