Beginning and the end. Dark energy in the universe could trigger a new Big Bang
Scientists believe that the universe may stop expanding, which will lead to its original state. And then her rebirth will follow.
Two theoretical physicists, Molly Burkmar and Macro Bruni, recently published a new study in which they suggest that a mysterious dark energy could be the cause of a second, and maybe even a third Big Bang. Scientists believe there is a way our Universe could stop expanding and end up in a “Big Crunch”. As a result, space and time will disappear and everything will return to its initial state before the Big Bang. This means that our universe will constantly be reborn an infinite number of times, writes Live Science.
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In their study, physicists suggest that dark energy, which is responsible for the rapid expansion of our universe, does not always work the way we imagine it to. Most likely, dark energy contributes to the expansion of the cosmos for a certain period of time, and then leads to its compression to its original state. In the end, this leads to the fact that there are suitable conditions for a new Big Bang and for the birth of a new Universe.
Now scientists believe that dark energy will expand space until all matter reaches such a limit when it is torn apart and the Universe as a whole disappears. At least that’s what one of the popular theories says. But given that physicists do not fully understand the exact nature of the Big Bang, new theories are emerging that try to explain how everything happened in the very beginning.
Therefore, scientists in their study asked the question: maybe dark energy can work both as a catalyst for the accelerated growth of the cosmos, and as a phenomenon that compresses all matter back? Physicists have created a model of the Universe in which dark energy, the nature of which also raises many questions, plays a crucial role in all processes of the “life activity” of the cosmos.
According to the modeling, dark energy can be responsible not only for the constant expansion of matter, but also contributes to the fact that after the next compression of space-time, dark energy gives rise to a new beginning, that is, a new Big Bang. Scientists believe that our universe will experience an endless rebirth.
