The star cluster Praesepe in the constellation Cancer is 515 light years from Earth. A
Chapter 6, Problem 13(choose chapter or problem)
The star cluster Praesepe in the constellation Cancer is 515 light years from Earth. A traveler flies to Praesepe and back at 0.99999 the speed oflight. Determine the durations of the voyage both from Earth and traveler viewpoints.
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