Titlebook: Galaxy Formation; A Personal View John Gribbin Textbook 1976Latest edition J. R. Gribbin 1976 astrophysics.galaxy.Gravitation.Population.Su

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Conference proceedings‘‘‘‘‘‘‘‘ 2015ous and isotropic conditions, galaxies could not have formed in the time available. There is no reason why we should expect the initial condition of the Universe to have been one of perfect homogeneity and isotropy; it is quite permissible to postulate that the inhomogeneities which have given rise

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G. R. Dyer,D. A. Gedcke,T. R. Harris one another — we have been primarily concerned to account for their existence, and have considered them as ‘test particles’ which enable us to observe the expansion of the Universe. But if we are to find out any more about the nature of galaxies and how they evolve — which is, after all, part of th

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https://doi.org/10.1007/978-94-011-3959-5the rest of the galaxy being studied. The Population I stars which trace the spiral arms are very hot, bright bluish-white giants, some as much as 100 000 times as bright as our Sun. The Population II stars which characterise central regions of spirals, and make up the whole of ellipticals, may be o

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