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Originally Posted by innerSpaceman
the ability to travel from one inhabited planet to another is impossible only to those with hubris to think we now know it all.
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I always thought hubris was possessed by those who think man has the capacity to know it all. But that's beside the point.
The laws of physics, as we understand them, change all the time, as do most of the things we think we know about the makeup of the universe. I am not a physicist or a scientist, so I really know very little about such things beyond the traditional and widely accepted theories. Einstein was wrong on more than one occassion.