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Universe 14 billion years old and seing stars???
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<blockquote data-quote="whitely" data-source="post: 266607" data-attributes="member: 5167"><p>As long as we are off topic ...</p><p></p><p>I had this discussion in graduate school with a professor in theoretical physics. The question is that, <strong>before </strong>the big bang, where energy was transformed into matter, how could one measure time? Time can be thought of as a measure of disorder in the universe, but before the universe was filled with matter there would be no way to measure time (as we imagined it), since there would be no disorder relative to a given state of the system. This being the case, we have no idea how "old" the universe really is, if you consider events preceding the big bang.</p><p></p><p>Along these lines, if one assumes that the universe will at some point in the future contract, and collapse on itself, reforming this pre big bang energy state, time will at that point end, as will all traces of events before that point.</p><p></p><p>The interesting question then becomes, how many times has this cycle repeated? Everyone assumes that we are in the first cycle, but this could be the 3,988,776,232 rd cycle of the expansion and contraction events that form and then destroy the known universe.</p></blockquote><p></p>
[QUOTE="whitely, post: 266607, member: 5167"] As long as we are off topic ... I had this discussion in graduate school with a professor in theoretical physics. The question is that, [B]before [/B]the big bang, where energy was transformed into matter, how could one measure time? Time can be thought of as a measure of disorder in the universe, but before the universe was filled with matter there would be no way to measure time (as we imagined it), since there would be no disorder relative to a given state of the system. This being the case, we have no idea how "old" the universe really is, if you consider events preceding the big bang. Along these lines, if one assumes that the universe will at some point in the future contract, and collapse on itself, reforming this pre big bang energy state, time will at that point end, as will all traces of events before that point. The interesting question then becomes, how many times has this cycle repeated? Everyone assumes that we are in the first cycle, but this could be the 3,988,776,232 rd cycle of the expansion and contraction events that form and then destroy the known universe. [/QUOTE]
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Universe 14 billion years old and seing stars???
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