Why haven't we been contacted by alien civilizations in space?
Is it because they are not there?
A possibility I have just stumbled upon:
Civilization is the result of extreme climate change, not typical on earth-like planets!
See the following articles and comments:
Newsvine: Ivan Pavlov
Newsvine: Jason Coleman
Newsvine: mogmich
1 comment:
"Why haven't we been contacted by alien civilizations in space?"
A person is smart, but people are dumb.
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