Chapter

Albert Einstein’s Finite Universe

Helge Kragh

in Masters of the Universe

Published in print November 2014 | ISBN: 9780198722892
Published online March 2015 | e-ISBN: 9780191789564 | DOI: https://dx.doi.org/10.1093/acprof:oso/9780198722892.003.0005
Albert Einstein’s Finite Universe

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The interview with Einstein took place in 1928 in his apartment in Berlin. Einstein explained how he came to his cosmological theory of 1917 in which he applied general relativity to the universe at large. His result was a static, matter-filled, and closed universe whose size could be calculated. Einstein commented on the cosmological constant, which by then he disliked but still needed. In reply to a question he recounts how he came to know about the expanding solutions proposed by Alexander Friedmann and Georges Lemaître and why he did not take them seriously. He remained convinced that the universe is static, that is, infinite in time. Einstein stated that he knew about the galactic redshifts but saw no way to explain them.

Keywords: Einstein; static universe; cosmological constant; redshifts; Alexander Friedmann; Georges Lemaître; general relativity

Chapter.  8427 words.  Illustrated.

Subjects: History of Science and Technology ; Astronomy and Astrophysics

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