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Hell, if humanity ever starts expanding space-ward, we'll do it because we need living space and resources.
bread and circuses. . .
Sadly, we're likely to expend most of the resources necessary to a major space effort before the majority of people realize that we need to go to space to acquire rescourses for earth.
Kali_Ava wrote:
themadthinker wrote:
Hopefully, the aliens need something we need to get rid off. But that's highly unlikely.
Well, aliens that actually exist could be structured and based society and social demands in a way we can't possibly comprehend. So maybe they'll need something we never even conisdered could be useful to anyone.
You mean like "what's all this goop left over when we refine crude oil? I wonder if we could do something with it, maybe if we could make it a little thicker, and mold it. . ."?
Kali_Ava wrote:
I just wonder how many ways could micro-organisms evolve when they become more complex. How many legs? What kind of balance? What kind of extra organs would they have and where would they fit and what would they eat or use for energy sources?
Well, microorganisms developed in a couple million different ways on earth, and there are at least 10 known species with the biological capacity* sapience. Imagine how the evolutionary paths could would differ given a different base environment. A world with, say, 1/10th the land area of Earth, for example, may have produced a sapient, tool using, aquatic species. Probably one that's not even vaguely humanoid. Imagine a warlike, species that has come to earth to conquer our oceans. . .
Save the wahales takes on a whole new meaning! :P