It seems that researchers are considering something mind-blowing. They believe that dark matter is making up about 80% of the universe’s mass, but its origins and composition are still among the most elusive mysteries in modern physics.
SciTechDaily mentions a fresh Johns Hopkins University study which is suggesting that dark matter may have existed before the Big Bang.
The study was reportedly published in Physical Review Letters, and it presents a new idea which details how dark matter was created. It also addressed the ways in which it might be identified during astronomical observations.
“The study revealed a new connection between particle physics and astronomy,” says Tommi Tenkanen, the study’s author.
He continued and explained, “If dark matter consists of new particles that were born before the Big Bang, they affect the way galaxies are distributed in the sky in a unique way. This connection may be used to reveal their identity and make conclusions about the times before the Big Bang, too.”
The online publication mentioned above notes that not too much is known about the dark matter’s origins, but so far, astronomers have shown that it definitely plays an important role in the formation of galaxies and galaxy clusters as well.
Dark matter could have been produced before the Big Bang
Scientists used to believe that dark matter is a byproduct of the Big Bang.
“If dark matter were truly a remnant of the Big Bang, then in many cases researchers should have seen a direct signal of dark matter in different particle physics experiments already,” Tenkanen stated.
This latest study used a new and simple mathematical framework and managed to show that the dark matter may have been produced before the Big Bang during an era which is called the cosmic inflation. Back then, space was expanding really rapidly.
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