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Worldbuilding

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  • $\begingroup$ Won't work with even dozens of satellites. Or hundreds of thousands of satellites. Why not? There are hundreds of radio dishes on Earth capable of receiving signals from light years away. How will you keep all those satellites over all those dishes all the time? The satellites will fly overhead at a km/s and would move in and out of your field of view every few minutes. Any radio dish technician will figure out within minutes what your plan is. They will soon track every orbit of every satellite and then start ignoring your signals. $\endgroup$ Commented May 30, 2016 at 16:43
  • $\begingroup$ Outbound trajectory means: on a course out of the solar system. A message doesn't have to be continuous, but it always has to appear to come from the same part of the sky, obviously. I don't know if you can make an orbit where the object in question can appear to be in the same part of the stellar background all/most of the time. It's probably simpler to just make the craft move out system. $\endgroup$ Commented May 31, 2016 at 20:15