How long does it take according to the astronaut in years

Reference no: EM13323645

Suppose there is an astronaut who is traveling at a significant fraction of the speed of light.

a) How long does it take the astronaut to travel 4.05ly (lightyears) at 0.83111c (as measure by the Earth-bound observer) in years?

b) How long does it take according to the astronaut in years?

Reference no: EM13323645

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