Universe may experience new Big Bang, says science

Big Bang again? – Photo: Reproduction/Internet

The dominant cosmological theory about the origin of the universe is that an explosion of matter marked the beginning of the expansion of the universe, and that it was just that. But new insights could explain the “dark” Big Bang and “solve a riddle that has plagued astronomers for nearly half a century.”

Dark matter is matter that does not interact in any way with light or electromagnetic fields, but studies indicate that it makes up about 27% of the known universe. A darkness of space not known to cosmologists.

And it is this unknown universe that astronomers try to explain and understand why clusters of galaxies move in ways that physics cannot decipher. What is “explained” to this day is that there are a lot of things out there that we can’t see. Due to this concern, some researchers are wondering about the possibility of a second Bing Bang that resulted in the existence of these substances in addition to the normal matter we are used to.

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“People always assume that everything was created at the same time, in a single Big Bang, but who really knows?” Katherine Freese, a physics professor at the University of Texas at Austin, asked New Scientist.

In the article published in the magazine, still to be peer-reviewed, the professor and her colleagues suggest that a “Dark Big Bang” may have “occurred when the universe was less than a month old.” The main hypothesis is that it formed several different types of dark matter, nicknamed “darkzillas” — in reference to “Godzilla” — which would be particles 10 trillion times larger than the mass of a single proton.

However, if it had occurred more gradually rather than forcefully and abruptly, the “Dark Big Bang” would have produced lighter particles that would absorb each other with each collision.

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Also in the paper, the researchers argue that these particles are no different from one of the leading candidates for dark matter, called “weakly interacting massive particles” (WIMPs), which have been used for decades by astronomers to explain non-standard “mysterious forces.” current physics.

Katherine hopes that the work will be part of a shift in the astronomical community and that, rather than one grand event that created the universe, cosmologists will begin to wonder whether the universe may have undergone multiple phase transitions, “slowly bringing into existence everything from matter to dark matter.”

By measuring disturbances in the signals sent by highly magnetized neutron stars, called pulsars, scientists try to identify the origin of gravitational waves or ripples in space-time, believing they can obtain information about the early days of the universe.

What is expected, according to the article, is that another step can be taken to unravel the mysteries surrounding the existence of dark matter in the universe — or whether the “darkzillas” could be responsible for much of the matter that surrounds us.

This study is an important step in understanding the universe and dark matter. If confirmed, it could revolutionize our understanding of the origin of the cosmos.