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From: John Jones on 21 Apr 2010 00:23 Pentcho Valev wrote: > An explanation of the Hubble redshift that might be referred to as > "the elastic wavelength explanation": > > http://www.littleindia.com/news/143/ARTICLE/6359/2010-04-06.html > "When light begins its long journey from an exploding supernova, it > has to confront an expanding universe along its path. This expansion > of pace "redshifts" the light waves. In other words, the wavelength of > light is stretched to the red end of the spectrum. The level of > redshift and the distance of the explosion allow us to measure the > rate of the expansion of the universe. These observational data form a > large number of supernovae record the expansion history of the > universe. Some unknown force is prompting the acceleration. This force > is greater than that neutralizing the combined gravitational pull of > normal and dark matter. This discovery wasn't cause for celebration > among astronomers - rather it was shocking." > > The "unknown force" (Dark Energy) may be "shocking" but Einsteinians > know it is a fantastic money-spinner: > > http://www.physorg.com/news179508040.html > "More than a dozen ground-based Dark Energy projects are proposed or > under way, and at least four space-based missions, each of the order > of a billion dollars, are at the design concept stage." > > Billions are billions and yet, late at night, alone in beds, > Einsteinians indulge in blasphemy: something in the vacuum seems to be > responsible for slowing down the speed of light (sorry, Divine Albert) > and this, combined with the formula: > > (frequency) = (speed of light)/(wavelength) > > gives an explanation of the Hubble redshift much more reasonable than > the elastic wavelength explanation: > > http://www.littleindia.com/news/143/ARTICLE/6359/2010-04-06.html > "This repulsive background energy associated with the empty space > could be dark energy. However, there is no compelling evidence for > that claim. The theoretical calculations suggest that the amount of > vacuum energy is too high for reasonable explanations. Emptiness is > not a true void as was deemed in the past. Quantum theory considers a > vacuum as a pool of virtual particles rapidly popping in and out of > existence. The particles and energy incarnate inside the so-called > emptiness as a result of invisible interactions." > > http://www.sciscoop.com/2008/10 > "Does the apparently constant speed of light change over the vast > stretches of the universe? Would our understanding of black holes, > ancient supernovae, dark matter, dark energy, the origins of the > universe and its ultimate fate be different if the speed of light were > not constant?.....Couldn't it be that the supposed vacuum of space is > acting as an interstellar medium to lower the speed of light like some > cosmic swimming pool? If so, wouldn't a stick plunged into the pool > appear bent as the light is refracted and won't that affect all our > observations about the universe. I asked theoretical physicist Leonard > Susskind, author of The Black Hole War, recently reviewed in Science > Books to explain this apparent anomaly....."You are entirely right," > he told me, "there are all sorts of effects on the propagation of > light that astronomers and astrophysicists must account for. The point > of course is that they (not me) do take these effects into account and > correct for them." "In a way this work is very heroic but unheralded," > adds Susskind, "An immense amount of extremely brilliant analysis has > gone into the detailed corrections that are needed to eliminate these > 'spurious' effects so that people like me can just say 'light travels > with the speed of light.' So, there you have it. My concern about > cosmic swimming pools and bent sticks does indeed apply, but > physicists have taken the deviations into account so that other > physicists, such as Susskind, who once proved Stephen Hawking wrong, > can battle their way to a better understanding of the universe." > > http://www.springerlink.com/content/w6777w07xn737590/fulltext.pdf > Astrophys Space Sci (2009) 323: 205211 > Misconceptions about the Hubble recession law > Wilfred H. Sorrell > "The question is this: Do astronomical observations necessarily > support the idea of an expanding universe? Almost all cosmologists > believe as sacrosanct that the Hubble recession law was directly > inferred from astronomical observations. As this belief might be ill- > founded... (...) It turns out that the Hubble recession law was not > directly inferred from astronomical observations. The Hubble recession > law was directly inferred from the ad hoc assumption that the observed > spectroscopic redshifts of distant galaxies may be interpreted as > ordinary Doppler shifts. The observational techniques used by Hubble > led to the empirical discovery of a linear dependence of redshift on > distance. Based upon these historical considerations, the first > conclusion of the present study is that astronomical evidence in favor > of an expanding universe is circumstantial at best. The past eight > decades of astronomical observations do not necessarily support the > idea of an expanding universe. (...) Reber (1982) made the interesting > point that Edwin Hubble was not a promoter of the expanding universe > idea. Some personal communications from Hubble reveal that he thought > a model universe based upon the tired-light hypothesis is more simple > and less irrational than a model universe based upon an expanding > space-time geometry. The second conclusion of the present study is > that the model Hubble diagram for a static (tired-light) cosmology > gives a good fit to the Type Ia supernova data shown in Fig. 2. This > observational test of a static (tired-light) cosmology model also > proves that it is wholly possible to explain the supernovae data > without requiring any flat Friedmann model universe undergoing > acceleration." > > http://www.time.com/time/magazine/article/0,9171,757145,00.html > Monday, Dec. 14, 1936: "Other causes for the redshift were suggested, > such as cosmic dust or a change in the nature of light over great > stretches of space. Two years ago Dr. Hubble admitted that the > expanding universe might be an illusion, but implied that this was a > cautious and colorless view. Last week it was apparent that he had > shifted his position even further away from a literal interpretation > of the redshift, that he now regards the expanding universe as more > improbable than a non-expanding one." > > http://www.nytimes.com/2010/01/26/science/26essay.html > "The worrying continued. Lawrence Krauss, a cosmologist from Arizona > State, said that most theories were wrong. "We get the notions they > are right because we keep talking about them," he said. Not only are > most theories wrong, he said, but most data are also wrong..." > > http://www.telegraph.co.uk/science/6057362/Give-scientists-the-freedom-to-be-wrong.html > Martin Rees: "Over the past week, two stories in the press have > suggested that scientists have been very wrong about some very big > issues. First, a new paper seemed to suggest that dark energy the > mysterious force that makes up three quarters of the universe, and is > pushing the galaxies further apart might not even exist." > > http://www.smithsonianmag.com/science-nature/87150187.html > "Dark Energy: The Biggest Mystery in the Universe (...) "We have a > complete inventory of the universe," Sean Carroll, a California > Institute of Technology cosmologist, has said, "and it makes no > sense." > > Pentcho Valev > pvalev(a)yahoo.com |