Cosmology

Chapter
First Online:
Part of the Lecture Notes in Physics book series (LNP, volume 772)

We will consider expanding homogeneous and isotropic models of the universe. We introduce an expanding frame of reference with the galactic clusters as reference particles. Then we introduce a “comoving coordinate system” in this frame of reference with spatial coordinates χ, θ φ. We use time measured on standard clocks carried by the galactic clusters as coordinate time (cosmic time).

Keywords

Hubble Parameter Vacuum Energy Critical Density Universe Model Expansion Factor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Oslo University College Faculty of EngineeringCpy Olavs PlassNorway

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