Civilization a launches its first interstellar spacecraft

Reference no: EM13671705

At time t = 0 in the galaxy frame of reference, civilization A launches its first interstellar spacecraft. Civilization B launches its first spacecraft 50,000 years later. A being from a more advanced civilization C is traveling during the galaxy at v = 0.96c, on a line from A to B. Which civilization does C judge to have first achieved interstellar travel and how much in advance of the other?

Reference no: EM13671705

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