Can the universe be infinite? – III – basic solutions of the Friedmann equation

Can the universe be infinite? – III – basic solutions of the Friedmann equation
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In the first post of this series we have picked up the question whether a Big Bang at the beginning of the universe and a finite speed of light imply a finite universe. In the 2nd post we saw that … Read More

Can the universe be infinite? – II – Friedmann equation and scaling factor by Newtonian considerations

Can the universe be infinite? – II – Friedmann equation and scaling factor by Newtonian considerations
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This post series is about the question whether one can exclude by some simple arguments that the universe is infinite. I write about it because some presently popular science videos, which illustrate the Big Bang as an explosion, may create … Read More