Big Crunch could reverse expansion from "summary" of A Breif History of Time and the Universe in a Nutshell by Stephen Hawking
In the early days of the universe, scientists believed that the force of gravity would eventually cause the expansion of the universe to slow down and reverse. This idea led to the concept of the Big Crunch, where the universe would eventually collapse back in on itself. The Big Crunch theory suggested that the universe would reach a point where the force of gravity would overcome the outward momentum of the expanding universe, causing everything to come crashing back together. This would result in a reverse of the expansion that had been happening since the Big Bang. However, as our understanding of the universe has evolved, we have come to realize that the Big Crunch may not be the ultimate fate of the universe. In fact, recent observations have shown that the expansion...
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