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Originally Posted by Jpax2003
I wasn't trying to be overly critical, I really did have a hard time understanding. Was "hang" a mistranslation or a transliteration from norwegian??
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No harm done. It was a mistranslation, not quite sure where I got it from actually, I guess I just thought I'd seen it used in that context somewhere. Well, nevermind about that now.
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Originally Posted by Jpax2003
In other words, if humanity evolved on earth, but earth had no surface radioactives for energy, could they leave the surface? If there was no moon to use as a first step, could they get off the surface an on their way to the stars without any intermediate goals? If there was no moon, would they even realize that space was a three dimensional construct and not just a dome of stars in some crystal sphere beyond their reach?
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Interesting point. But the belief that space is a dome has been widely accepted in numerous cultures, even with the moon in place. There's no easy and intuitive way to realize space's three dimensionality or the distance to stars or other celestial objects. If human's, or human like creatures had evolved at all - with no moon present - they probably would have come to the same conclusions as we have, it might take them some more time though. But then there's the point that's raised by the Rare Earth hypothesis among others, that the presence of our moon has been crucial for development of complex life in the first place.
If that's true then humans probably wouldn't exist anyway unless there was a moon like ours in place, and therefore they wouldn't be there to witness the lack of a moon.