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How to distinguish order and disorder?
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[QUOTE="Nugatory, post: 5502731, member: 382138"] More disordered. If it doesn't look that way to you, chances are that you're only thinking of the sun and the stuff orbiting it, overlooking all the energy that was present in the initial ball of gas but was radiated away over the past billions of years. That energy is now spread across an enormous volume of space in an very disorderly way, so if you look at the system as a whole instead of picking out one tiny piece of it you get a better sense of how much disorder there is. It's also important to understand that entropy has a proper mathematical definition, which google will find for you. This idea that "entropy is disorder" is just a convenient oversimplification for people who aren't prepared to take on the math. It's OK if you want an intuitive picture of what high-entropy system and low-entropy systems look like, but it can be very misleading if you're trying to understand how a system might evolve from one state to another. [/QUOTE]
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