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dubsconjr
Do you think that emergence of intelligent civilizations in the universe is common or rare?
A secondary question to that - if you answered "rare", do you suppose that most intelligent civilizations destroy themselves or render themselves irreversibly stagnated, hence the lack of any tangible evidence that we see?
6 AnswersAstronomy & Space6 years agoWhat do you think about aerostat colonies in the Venusian atmosphere?
Kinda reminiscent of Bespin cloud cities, I read some interesting ideas about feasible colonies floating in the upper atmosphere of Venus around 50 km up (30 miles for those not up on the metric game), and they look to be "safer" than surface establishments on Mars. Your thoughts.
1 AnswerAstronomy & Space1 decade ago