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And the universe when it first started up, some of you may have heard of the inflationary period in the universe. This is where there's an incredibly fast period of time in which the universe was expanding and it slowed down to a more reasonable rate which we're seeing around us now. But our universe had ballooned at an exponential rate soon after coming into existence. And at the earliest moments after the Big Bang, the fundamental forces started operating in the universe when a strong force came into existence. It started out to change in the energy underlying the fabric of space. And this may have caused space to repulse ever so slightly against itself. And it then expanded exponentially before the energy settled into a state. Fractions and fractions affected just after the Big Bang. After that, expansion happened at what we perceive, as I said just earlier, as a more normal rate. No one knows why the vacuum of space acquired the exact value of energy that it did. Inflation may have occurred at different rates elsewhere in the universe beyond our visible horizon. So let's hope above all the universes may have popped into existence from the initial inflationary period. So there may be other universes out there that arose from the inflationary period just dropping.
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