[JimRed]

Obviously in this case a signal that takes 1,500 years to get here is pretty useless as a means of communication.

Over interstellar distances, correct. But they could be 1500 year old sitcom broadcasts or weather reports!

[Flick Lives]

Over interstellar distances, correct. But they could be 1500 year old sitcom broadcasts or weather reports!

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I can see it now, the alien equivalent of, “Lucy, you got some splanin’ to do!” That would make for interesting viewing.