Cosmology and Newtonian Mechanics

C. Callan, R. H. Dicke, P. J.E. Peebles

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


The general relativistic solution to the cosmological problem is often considered to be one of its most beautiful results. It is shown that Newtonian mechanics is quite sufficient to discuss the dynamics of the expanding universe. Furthermore, this is not a cleverly contrived classical model, or a crude nonrelativistic approximation, but a completely correct discussion of the dynamics of the expansion in a region where both general relativity and Newtonian mechanics are equally valid.

Original languageEnglish (US)
Pages (from-to)105-108
Number of pages4
JournalAmerican Journal of Physics
Issue number2
StatePublished - Feb 1965

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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