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Originally Posted by Qfwfq
As for the universe expanding:
A) As long as the universe is expanding, you couldn't very well say it has reached maximum entropy.
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Very good point, now this is making a lot more sense to me.
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Originally Posted by Qfwfq
B) As long as the universe is expanding, that is something that can serve as an operative definition of time measurement.
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Yes, understandable. As long as expandsion is underway, time will still exist. And if I'm not mistken, most theorists believe that universal expansion may be unlimited, and I say "may be unlimited" because this question is still unanswered. So, as long as any feature of the universe is changing, these changes will manifest themselves as the passage of time however slight the change may be. When things stop changing time will cease.
