The Journey Continues

The Journey Continues - NewAnswersandNewPuzzles AlanGuth

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New Answers and New Puzzles Alan Guth The standard big bang model , having  triumphed in the 1960s over a rival cosmological  theory, reigned triumphant over the remainder of  the twentieth century. The standard model even  gained a significant addition: the inflationary  universe theory.  In 1979 a young American particle physicist, Alan  Guth, proposed that important cosmological  features can be explained as natural and  inevitable consequences of new theories of  particle physics. Guth showed how a huge  “inflation” could have taken place in the first  minuscule fraction of a second of the universe’s  evolution. In this tiny interval the universe could  have expanded at an astonishing rate, then  slowed down. After that the “inflationary  universe” theory merges with the standard big- bang theory.  In play here is a philosophical  preference:  that cosmological features should 
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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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The Journey Continues - NewAnswersandNewPuzzles AlanGuth

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