Relativity and Cosmology

    

On light cones in the Standard Model of Cosmology (Lambda-CDM Model)

Authors: Werner Lange

This paper strives for a complete analysis of all relevant aspects of light cones in the spatially flat standard model of cosmology (Lambda-CDM model). The apex of the past light cone may be located at any cosmological time since the Big Bang. The presentation expounds the interaction of these light cones (past and future light cones) with the Hubblesphere, cosmological event horizon, particle horizon and observable universe as well as with the world lines of galaxies. Alongside this, the study also answers the question at which light cone apex a galaxy visible today can be perceived after a given cosmological time has elapsed and at which emission time the then visible light was emitted. In addition, some drawings elucidate in detail from which resting objects and moving particles the observable universe is built up at a certain time after the Big Bang and how objects and particles get to their respective locations.

Comments: 44 pages. In German. Figure 6.2 replaced

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Submission history

[v1] 2022-12-21 02:35:27
[v2] 2023-03-12 01:53:16
[v3] 2023-04-02 20:13:55
[v4] 2023-05-27 22:57:49
[v5] 2023-07-09 14:06:09

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