Quote:
Originally Posted by Yamaki
...the obstacles transcended man's technology, ability and resources at the time. And they still do.
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I agree with your thoughts. IMHO, the greatest obstacle will actually be addressing the problem of the human condition. The psycho-social demands will be at the most extreme with any form of exoplanet colonization. Our species presently struggles with peaceful assembly and cooperation in our current surroundings let alone placement in an extreme environment with limited resources such as an exoplanet colony. Humankind simply has not evolved into such an environment. Just my 2 cents.
Regards