Global and Local Effects of Rotation: Observational Aspects

Abstract

In the paper we discussed the observational aspects of rotation in the Universe on different scales. We show dependence between the angular momentum of the structures and their size. The presented observational situation is that the galaxies, their pairs and compact groups have a non-vanishing angular momentum. In the structures of mass corresponding to groups of galaxies, this feature has not been found, while in the clusters and superclusters alignment of galaxy orientation has been actually found. Also we know that galaxies have net angular momentum due to the fact that we actually measure the rotation curves of galaxies. These facts lead to the conclusion that theories which connect galaxy angular momentum with its surrounding structure are at some extend favored by data. We show that in the light of scenarios of galaxy formations this result could be interpreted as an effect of tidal forces mechanism, but it is also consistent with Li's model, in which galaxies form in the rotating universe. The theoretical and observational aspects of possible global rotation of the Universe were discussed as well.

IJMPD accepted

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Cited by in corpus (14)

• Is the Observable Universe Consistent with the Cosmological Principle?
• Alignments of galaxies within cosmic filaments from SDSS DR7
• Remarks on the methods of investigations of alignment of galaxies
• Vorticity survival in magnetised Friedmann universes
• Investigation of the orientation of galaxies in clusters: the importance, methods and results of research
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• Orientation of galaxies in structures
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