The origins of this vast and complex universe can be traced back to a singular moment, some 13.8 billion years ago. It was then that the universe began as a hot, dense, rapidly expanding state, known as the Big Bang. This moment marked the beginning of the universe as we know it today, a universe full of matter, radiation, and the laws of physics that govern its evolution. But it's all still expanding, forming new stars, and evolving. Then How and when will all these things come to an end?

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