Abstract

This paper discusses about Dark matter or Missing mass in Galaxies. In this work the tensor mathematics called Dynamic Universe Model was used to find out theoretical star circular velocity curves in a Galaxy. Here we are presenting four main cases. In the first case, there is a Galaxy with huge central mass at the center, sun like stars and external galaxies are present in the calculations; only in this case the theoretical predictions of circular velocity curves (star circular velocity verses star distance from the center of galaxy) were matching with the observed velocities. In the later three cases either the huge central mass was absent or external galaxies were absent or both were absent, the theoretical circular velocities did not match the observations. Hence the question of missing mass / dark matter does not arise as it is only a calculations error. This prediction was first presented in Tokyo University in 2005, that No dark matter (Missing mass) is required according to Dynamic Universe Model. Later the findings from LUX in 2013 the (Large Underground Xenon) experiment confirmed this prediction.

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