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Dec 31, 2020 at 23:59 comment added Chris Stratton Wrong again. The question is based in plausible reality (which is probably why these are robotic probes and not ships containing lifeforms) Only your answer suggests magic.
Dec 31, 2020 at 23:12 comment added RonJohn @ChrisStratton take that up with OP.
Dec 31, 2020 at 23:03 comment added Chris Stratton Nope... Again with the magic
Dec 31, 2020 at 23:03 comment added RonJohn @ChrisStratton many current Earth humans know that you can't travel faster than light, and yet these space aliens have done so.
Dec 31, 2020 at 23:01 comment added Chris Stratton Like many current earth humans, they'd know the limitations of dish directionality, and that this is a matter of basic physics, not technical sophistication. The question isn't seeking ideas from the imaginery realm of magic such as you are trying to provide.
Dec 31, 2020 at 22:46 comment added RonJohn @ChrisStratton interstellar space-travelling aliens know more than we do.
Dec 31, 2020 at 16:29 comment added Chris Stratton no, it is simple physics that a dish isn't that precise
Dec 31, 2020 at 13:37 comment added RonJohn @ChrisStratton "Such a dish isn't so precise" that depends on whether or not OP wants the Earthlings to detect the satellites... :)
Dec 30, 2020 at 22:56 comment added Chris Stratton Such a dish isn't so precise that a satellite in the outer solar system transmitting to one near the earth wouldn't also be illuminating the earth; but anyone wanting to hide would use challenging frequencies and spread spectrum coding schemes that would make it challenging to even someone who knew where to look.
Dec 30, 2020 at 21:49 history answered RonJohn CC BY-SA 4.0