The expanding universe: an introduction
Markus P\"ossel
TL;DR
This paper provides an accessible introduction to the physics and mathematics of the expanding universe, covering key concepts like scale factor, redshift, and cosmological distances using high-school and undergraduate level mathematics.
Contribution
It offers an educational overview of fundamental cosmological principles tailored for learners with basic mathematical background.
Findings
Explains the scale factor and universe dynamics clearly.
Describes the redshift-luminosity relation in simple terms.
Introduces various cosmological distance measures.
Abstract
An introduction to the physics and mathematics of the expanding universe, using no more than high-school level / undergraduate mathematics. Covered are the basics of scale factor expansion, the dynamics of the expanding universe, various distance concepts and the generalized redshift-luminosity relation, among other topics.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Black Holes and Theoretical Physics