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Forgot to add this. No photons in a black hole means it is just about
absolute zero. It is the motion of all stuff coming through its surface(event horizon) to being compress to the BH exact center that keeps it from getting to absolute zero. Could do a "what if" on absolute zero The post title would be "Black holes the refrigerators of space" Best to keep in mind the force of compression is the heart of a refrigerator Bert |
#2
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On Nov 21, 4:05 am, (G=EMC^2 Glazier) wrote:
Best to keep in mind the force of compression is the heart of a refrigerator. Yeah, but it's the *re-expansion* that does the refrigerating. That happens when the highly-compressed liquid erupts through a tiny pinhole and flashes to a gas in the evaporator (the 'freezing unit') in the fridge. 'Member the freon cycle analogy that was propounded so many times as an analogy of the CBB (continuous BB) process (Zinni's all time favorite:-)). That's where the re-expansion phase represents the whole externalized universe (the "cold" part of the cycle). And the pre-BB state represents the "hot" part of the cycle. It's a perpetually running, closed-loop system, powered by the centerpiece 'Engine/compressor' as shown here - http://community-2.webtv.net/oldcoot/ContinuousBigBang/ In the refrigeration analogy, the sphere of our visible cosmos, now decoupled from the 'Bang' point, is represented by a cluster of of freon molecules adrift in the gas flow, wending its way back toward the intake of the 'compressor', the 'Crunch' point. But notice this cardinal point -- two distinct frames of referance are evident in the analogy. From our local vantage point here 'inside' the decoupled sphere of visibility, the Big Bang seems to have happened "everywhere at once", with no discernable point of origin. The BB is perceived as a singular, one-shot, superhot Genesis Event somewhere in our deep past. BUT from the 'outside' frame, the whole closed-loop Process is seen, with each phase running perpetually at its respective station on the cycle. Its perpetuality is like a gas turbine, as opposed to the reciprochal 'Bang-Crunch' perceived from here 'inside' the decoupled sphere. oc |
#3
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oc Nice thinking,and nicely put. Bert
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