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How much younger are astronauts after they return from orbit?


jzermeno said...

When an astronaut returns home they will be 0.000023 seconds younger for each day they spend in orbit. For a one-year stay on the International Space Station, the returning astronauts will be about 0.0085 seconds younger. Not much to get excited about, but it is measurable on a good stopwatch if the experiment is set up correctly. http://www.nasa.gov/centers/kennedy/about/information/science_faq.html


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