Could there be observers who would judge the two events in Problem 40 to be simultaneous? If

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Could there be observers who would judge the two events in Problem 40 to be simultaneous? If so, how fast and in what direction must these observers be moving?

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You’re writing a galactic history involving two civilizations that evolve on opposite sides of a 1.0x105 -ly-diameter galaxy. In the galaxy’s reference frame, civilization B launched its first spacecraft 45,000 years after civilization A. You and your readers, from a more advanced civilization, are traveling through the galaxy at 0.99c on a line from A to B. Which civilization do you record as having first achieved interstellar travel, and how much in advance of the other?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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