> aliens would probably assume that the world is naturally full of green stuff that is dealing with some strange grey infestation.
replyI think they would draw the correct conclusion, actually. I know it's popular to compare humans to mold or cancer or whatever these days, but this kind of thing is both unrealistic and insulting to the aliens, who by the definition of the scenario are at least as smart as we are, quite probably more.
Our nighttime view of the planet has dramatically changed in the past 100 years and is increasing. They would instantly see us using electricity and could possibly see our satellites.
replyEven on that scale, major roads and agricultural grids are clearly visible. The mark of abstract intelligence is unmistakeable.
replyThis reminds of me canali : https://en.wikipedia.org/wiki/Martian_canals#Interpretation_...
reply> According to AI
replyBut what is the actual source?
Spectral analysis at that resolution would be much more telling.
replyOn that scale, we really do look like mold.
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