An Exp - AnExp andingUniverse , '.TheEnglish...

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An Exp anding Universe? At a meeting in London  of the Royal Astronomical Society early in 1930, de Sitter admitted that  neither his nor Einstein's solution to the field equations could represent the observed universe. The English  astronomer Arthur Eddington next raised "one puzzling question." Why should there be only these two  solutions? Answering his own question, Eddington supposed that the trouble was that people had only  looked for static solutions. Both the solutions [to the field equations, de Sitter's and Einstein's] must be rejected, and as  these are the only statical solutions of the equations… the true solution represented in nature  must be a dynamical solution.         —Willem de Sitter, 1931 Georges Lemaître In fact a few astronomers  had been looking for other solutions to Einstein's equations. Back in 
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.

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An Exp - AnExp andingUniverse , '.TheEnglish...

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