Astronaut Scott Kelly will return from a year in space both older and younger than his twin brother ifttt, reddit

ifttt, reddit So, a couple seconds younger due to time dilation, and a few months older due to the physical toll of zero gravity and radiation? So, a couple seconds younger due to time dilation, and a few months older due to the physical toll of zero gravity and radiation?



from Pocket http://ift.tt/1HUXJKG