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Re: The Inquiring Mind Wants To Know

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Posted by Greg Armel/">Greg Armel on May 26, 1999 06:21:42 UTC

Hey yanniru, The primordial Universe did not expand from the initial point to the point of first light at the speed of light, but rather for the first 300,000 years it expanded at the speed of sound due to the conditions that inhibited the travel of photons until things had cooled to 3,000 degress K at the point of "last scatter". I don't know that you can relate the expansion of the Universe to the difference in temperature at first light and the present temperature of background radiation. The temperature one second after the initiation would have been at least in the millions of degress K and conditions would have been inclined to maintain the temperature compared to the conditions after last scatter when conditions would have allowed things to cool off more rapidly. We can look billions of light years in a straight line and never see the same galaxy twice so we're not just looking as light traveling around in a circle. The Initial Flash of the Big-Bang would have expanded at the speed of light since it would have been expanding into the Eternal Void that surrounded the initiation point at the moment of initiation and not the conditions of the primordial Universe that followed. This Initial Flash would have been at least millions of degrees K and which is still available for review today as it permeates the Universe, having warmed the Eternal Void with its passing until today all that it passed radiates at or near to 3K. BBBB

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