The Discovery of the Finite-Age Universe

Details The Discovery of the Finite-Age Universe The Discovery of the Finite-Age Universe

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dps....37.0501k&link_type=abstract

American Astronomical Society, DPS meeting #37, #05.01; Bulletin of the American Astronomical Society, Vol. 37, p.625

Astronomy and Astrophysics

Astronomy

Scientific paper

Although the notion of a beginning of the universe can be found earlier, still in the late 1920s, almost all cosmologists believed that the universe had always existed. A. Friedmann discussed in 1922 the idea of a created universe, but in a mathematical sense only, and without attracting any interest. It was only in 1931 that G. Lemaître questioned the traditional paradigm and suggested the first big-bang model ever. What were his reasons? The suggestion was met with a mixture of scepticism and neglect. For example, the Einstein-De Sitter model of 1932 is clearly of the big-bang type, yet the authors suppressed this feature. In my talk, I chart the slow change from the eternal universe to the finite-age universe during the 1930s and 1940s, and discuss the reasons for the cool reception of an idea which to later generations seem so natural.

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