Titlebook: Calibrating the Cosmos; How Cosmology Explai Frank S. Levin (Professor Emeritus of Physics) Book 2007 Springer-Verlag New York 2007 Big Ban

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The Expanding Universe,e 19th century until 1924, the thenunknown size of the Galaxy was at the heart of a controversy. The controversy concerned the existence of galaxies other than our own: were the so-called spiral and elliptical nebulae. in fact other galaxies—“island universes,” as the German philosopher Immanuel Kan

ensemble

Homogeneous, Isotropic Universes,d of Universe has such features, and what are its other properties? Observation alone cannot provide the desired answers; theoretical investigation is required as well. The theoretical developments that yielded answers to these and some of the questions raised in earlier chapters began in 1915 when