A forgotten model of the universe: Analysis of Einstein’s 1931 paper featuring a dynamic model of the universe

Researchers have provided the first English translation and an analysis of one of Albert Einstein’s little-known papers, “On the cosmological problem of the general theory of relativity.” Published in 1931, it features a forgotten model of the universe, while refuting Einstein’s own earlier static model of 1917. In this paper, Einstein introduces a cosmic model in which the universe undergoes an expansion followed by a contraction. This interpretation contrasts with the monotonically expanding universe of the widely known Einstein-de Sitter model of 1932.

from Physics News — ScienceDaily http://ift.tt/1jfTa2k

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