Hawking doesn't ASSERT that the cosmos had a beginning.
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From: JeffRelf.F-M.FM on 26 Mar 2010 08:54 Kadaitcha•Man wrote: “ According to Penrose and Hawking, the universe had a beginning, from a singularity. ”. God doesn't play dice. Hawking doesn't ASSERT that the cosmos had a beginning; he said: “ Hubble's observations suggested that there was a time, called the big bang, when the universe was infinitesimally small and infinitely dense. Under such conditions all the laws of science, and therefore all the ability to predict the future, would break down. If there were events earlier than this time, then they could not affect what happens at the present time. Their existence can be ignored because it would have no observational consequences. One may say that time had a beginning at the big bang, in the sense that earlier times simply would not be defined. ”. Only a laymen would contend that our Universe was created from nothing, not a true cosmologist. Nothing went “ BANG ! ”. Today, our HORIZON extends out 45 giga·light·years; it's where “physics” ends and “metaphysics” begins. The CMB is the oldest light we've seen ( so far ); it's 13.7 giga·years old. Our VISIBLE Universe has expanded since then ( exponentially ); so the path the photons took has been elongated to 45 giga·light·years. Quoting “The Cosmic Symphony*” by Wayne Hu and Martin White; Scientific American, February 2004: “ Researchers can determine the distance CMB photons have traveled before reaching Earth -- about 45 billion light-years. ( Although the photons have traveled for only about 14 billion years, the expansion of the universe has elongated their route. ) ”. *: news:Jeff_Relf_2006_Dec_17_7_(a)Cotse.NET http://Background.UChicago.EDU/~whu/Papers/HuWhi04.pdf |