Cosmic Order out of Primordial Chaos: a tribute to Nikos Voglis
Bernard J.T. Jones, Rien van de Weygaert (Kapteyn Astronomical, Institute, University Groningen, the Netherlands)
TL;DR
This paper reviews the evolution of understanding galactic angular momentum, emphasizing how gravitational tidal forces shape cosmic structures, supported by recent data analysis of galaxy clusters, filaments, and voids.
Contribution
It highlights the shift from early theories to recent evidence showing tidal forces influence galaxy rotation and cosmic structure formation.
Findings
Gravitational tidal forces contribute to galaxy rotation.
Tidal forces shape large-scale cosmic structures.
Recent data analysis confirms these effects.
Abstract
Nikos Voglis had many astronomical interests, among them was the question of the origin of galactic angular momentum. In this short tribute we review how this subject has changed since the 1970's and how it has now become evident that gravitational tidal forces have not only caused galaxies to rotate, but have also acted to shape the very cosmic structure in which those galaxies are found. We present recent evidence for this based on data analysis techniques that provide objective catalogues of clusters, filaments and voids.
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