Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

MONG: An extension to Galaxy Clusters

Version 1 : Received: 29 December 2020 / Approved: 30 December 2020 / Online: 30 December 2020 (07:52:47 CET)

How to cite: Rebecca, L.; Kenath, A.; Sivaram, C. MONG: An extension to Galaxy Clusters. Preprints 2020, 2020120743 (doi: 10.20944/preprints202012.0743.v1). Rebecca, L.; Kenath, A.; Sivaram, C. MONG: An extension to Galaxy Clusters. Preprints 2020, 2020120743 (doi: 10.20944/preprints202012.0743.v1).

Abstract

The presence of dark matter, though well established by indirect evidence is yet to be observed directly. Various dark matter detection experiments running for several years have yielded no positive results so far. In view of these negative results, we had earlier proposed alternate models by postulating a minimum gravitational field strength (minimum curvature) and also a minimum acceleration. These postulates led to the modified Newtonian dynamics and modified Newtonian gravity (MONG). The observed flat rotation curves of galaxies had also been accounted for through these postulates. Here we extend these postulates to galaxy clusters and model the dynamical velocity-distance curves for such large-scale structures. The velocity-distance curve of the Virgo cluster, plotted with this model is found to be in accordance with that observed.

Subject Areas

dark matter; dark energy; modified Newtonian gravity; flat rotation curve; velocity-distance curve

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