An astronaut speedo travels to a distant planet and back
An astronaut (Speedo) travels to a distant planet and back with speed 0.7c. He is 30 yrs old when he departs and 50 years old when he returns. If he has a twin brother (Goslo) who remains behind on earth, how old is Goslo when Speedo returns?
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an astronaut speedo travels to a distant planet and back with speed 07c he is 30 yrs old when he departs and 50 years
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