Research Papers (JVN)
Permanent URI for this collectionhttp://localhost:4000/handle/11007/400
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Item Contribution of quasistellar objects to the cosmic X-ray background(Indian Institute of Astrophysics, 1983-01-14) Narlikar, J. V.; Burbidge, G.Item Empirical approach to cosmology(Springer, 1981-01-23) Narlikar, J. V.; Burbidge, G.A two-component model of the universe is proposed, based on the observations of discrete extragalactic sources and the microwave background radiation. The large scale dynamics of the universe is determined by the radiation component and it leads to a characteristic size of the universe of approximately 600,000 Mpc and an age of approximately one trillion years. The second component, that of matter, occurs in discrete sources which group together in super-superclusters of characteristic size approximately 6000 Mpc and age 10 billion yr. It is suggested that the Galaxy belongs to one of these super-superclusters and that observations of discrete sources are confined to this unit. A reasonable agreement with the cosmological tests is obtained on the assumption that the geometry within a typical super-supercluster is Euclidean and that the redshifts of galaxies arise from a Doppler effect due to motions originating in a local explosion which gave birth to the super-supercluster. Further observational checks on this model are proposed.