A star is 4.3 lightyears (proper distance) away from Earth. A spacecraft from the Earth makes the round trip voyage in 1

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A star is 4.3 lightyears (proper distance) away from Earth. A spacecraft from the Earth makes the round trip voyage in 1

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A star is 4.3 lightyears (proper distance) away from Earth. A spacecraft from the Earth makes the round trip voyage in 10 years (Earth time) Determine the time of the journey from the perspective of the crew of the spacecraft. Assume that the acceleration times are negligible. Treat the speed as constant, and the same value for the outbound and inbound legs of the journey
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