Answer to Question #3103 in Mechanics | Relativity for Derek
Planet A is 35 light years away from the Earth. An astronaut is traveling to the planet in a speed such that he would not age more than 25 years during the journey.
<br>At what speed must the spaceship travel, in the Earth's reference frame,
so that the astronauts age at most 25 years?
v = 8.14c
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