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An astronaut in a starship travels to a Centauri, a distance of approximately 4 ly as measured from Earth, at a speed of u/c = 0.8. (a) How long does the trip to a Centauri take, as measured by a clock on Earth? (b) How long does the trip to a Centauri take, as measured by the starship pilot? (c) What is the distance between Earth and a Centauri, as measured by the starship pilot?

An astronaut in a starship travels to a Centauri, a distance of approximately 4 ly as measured from Earth, at a speed of u/c = 0.8. (a) How long does the trip to a Centauri take, as measured by a clock on Earth? (b) How long does the trip to a Centauri take, as measured by the starship pilot? (c) What is the distance between Earth and a Centauri, as measured by the starship pilot?

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An astronaut in a starship travels to a Centauri, a distance of approximately 4 ly as measured from Earth, at a speed of u/c = 0.8. (a) How long does the trip to a Centauri take, as measured by a clock on Earth? (b) How long does the trip to a Centauri take, as measured by the starship pilot? (c) What is the distance between Earth and a Centauri, as measured by the starship pilot?
Transcribed Image Text:An astronaut in a starship travels to a Centauri, a distance of approximately 4 ly as measured from Earth, at a speed of u/c = 0.8. (a) How long does the trip to a Centauri take, as measured by a clock on Earth? (b) How long does the trip to a Centauri take, as measured by the starship pilot? (c) What is the distance between Earth and a Centauri, as measured by the starship pilot?
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