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Q&A How would two ships travelling at light speed communicate with one another?

Supposed we have a ship travelling at the speed of light, or very close to it, or over. A second ship is travelling behind it at the same speed. The second ship wishes to communicate something ...

11 answers  ·  posted 10y ago by roryok‭  ·  last activity 9y ago by roryok‭

Question space travel communication faster-than-light space-travel light