Special Relativity Question Sally and John are born at the same time. When both are 20, Sally takes a space journey. She arrives back on earth and John is 50 but she is only 40. Since both John and Sally observe the other's time to be dilated, how can this be?
Special Relativity Question Sally and John are born at the same time. When both are 20, Sally takes a space journey. She arrives back on earth and John is 50 but she is only 40. Since both John and Sally observe the other's time to be dilated, how can this be?
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Sally and John are born at the same time. When both are 20, Sally takes a space journey. She arrives back on earth and John is 50 but she is only 40. Since both John and Sally observe the other's time to be dilated, how can this be?
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