Quote:
Originally Posted by Ken G
It could be argued that the concept of time itself, and by association space, as Nereid points out, is based on cycles... I think the importance of cycles must be related to what a cycle fundamentally is-- a return to the starting point, where everything is the same except one more cycle has been counted.
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Our counting time in cycles doesn't mean that that's what time really is. Some of time's "arrows", like the increase in entropy and possibly the expansion of space, are inherently progressive, never returning to a prior state.