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The Theory of Everything by Stephen Hawking Book Summary and Review | Free Audiobook

Best Book Summaries by StoryShots 📚

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The Expanding Universe Hypothesis

Hubbell identifiedd that the galaxies he observed all appeard red shifted. This means each of these galaxies is moving away from us. The farther away a galaxy was, the faster it moved towards us. Hawking describes this finding as one of the tremendous intellectual revelations of the twentieth century,. building on general relativity and the freedman equations. Alexander freeman, a soviet physicist mathematician, develop models of general relativity to account for the expanding universe hypothesis. Freedmen showed that the universe is expanding so slowly that the gravitational attraction between the different galaxies is slowing the universe's expansion. As a result, the expansion might be stopping. Then the galaxies will start moving towards each other as the universe contracts

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