However it seems to me as if the silent sky suggests that everything is roughly equally hopeless.
Unless we assume the filter is behind us.
Also, I’d start by hypothesizing aliens that are extremely weak and similar to conventionally imaginable human technology
Just by the fact they can cross between the stars imply they can divert an asteroid to slam into the Earth. This gives an idea what we’d need to do to defend against them, in theory.
Unless we assume the filter is behind us.
Just by the fact they can cross between the stars imply they can divert an asteroid to slam into the Earth. This gives an idea what we’d need to do to defend against them, in theory.