• Suppose there is an astronaut who is traveling at a significant fraction of the speed of light. Randomized Variables d = 4.1 ly, v=0.82834 c.
• (a) How long, in years, does it take her to travel 4.1 ly at 0.82834c (as measured by the Earth-bound observer)? At = 4.949.
• (b) How long does it take according to the astronaut in years? 

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In order to answer part b of this question we need to understand a fundamental concept in physics ti... View the full answer