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Forming opinions as we speak |
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The age of universe is when estimated from a cosmological model based on Hubble constant is 13.7+/-0.2 billion years and hubble value for H0 motivates the cosmologists to belief in Stedy state theory of Hoyel Bondi and Gold and then universe is same in all direction and in all place and expanding where matter must be continiously creating. How a hydrogen Ion will Know where it has to be created and when to be created in this universe.And probably steady state theory put the Big Bang theory in a big trouble. On the critical Density of the universe the question of Expansion of universe for ever actually depends whether it will expand for ever or it will expand for some time and then will collapse and will fall into Big crunch another singularity. The observed density of baryonic( Neutron Proton, Quarks etc ) gives 4.4% of Critical density for Ho=1 And then most of the matter of universe is non baryonic-
Dr. Pranab Kr Bhattacharya MD(cal), FIC path,(Ind) FIA path(ID) FNASc, FISCA Associate profesor of Dept Of pathology, Institute of Post Graduate Medical Education & Research ,244A, AJC Bose Road, Kol-20, India Last edited by pranab; 13-March-2006 at 12:30 PM. |
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MMM why would we need costant creation of matter? If the universe expand universally, the distances between the galaxies just becomes larger and larger (depressing thought in a way, for anyone who would like to go travelling into deep space once).
I see no need for hydrogen to be created, and therefore no need for the hydrogen to know where it should be created. Quote:
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************************************************** ************************* Optimism does not change the laws of physics. (T'Pol) A good scientist has freed himself of concepts and keeps his mind open to what is. (Dao De Jing 27) ************************************************** ************************* Martin ( http://www.geocities.com/DrMartinV ) |
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Then how the universe evolved from its featureless state to its clumped structure of galaxies and super clusters ? whether this process worked bottom up with very large structure forming through merging of small subgalactic units or topdown process with large clusters forming before any galaxies? Next DoesCDM model can explain very large scale distribution of galaxies?CDM model always point towards a flat universe[Omega=0] and it assumes that universe had a mean critical density , universe expands for ever, >90% matter non baryonic.It do support Big crunch and galaxies formation is bottom up.Though CDM has many problems like density fluctuation & perturbation regarding the precise nature,associated with Eienstien De star cosmological model,universe will crash down one day on milky way/etc
Dr. Pranab Kr BhattacharyaMD(Cal), FIC Path(ind)FIA Path(ID), FNASc, FISCA, FRSTM&H (UK) Associate Professor , Pathology, IPGME&R Kol-20 WWW.unipathos.com |
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Hi pranab, You are mostly asking straightforward questions now. Later today, the WMAP team will release some papers that will tell you as much as is currently known about the answers to your questions.
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Forming opinions as we speak |