Scientists from the US Princeton University will use gravitational waves to find out what happened 380,000 years after the Big Bang – according to our current knowledge, we can’t look back any further.

About 380,000 years passed after the Big Bang, when the first nuclei and electrons coalesced into atoms. This made the universe permeable to photons, or light. Because previously photons constantly interacted with matter, we can’t see what happened before, he explains IFLScience. However, there is another way to do this.

the Journal of Cosmology and Astroparticle Physics In a scientific journal, scientists from the American University of Princeton wrote that gravitational waves were still moving freely during the 380,000 years after the Big Bang, so with their help we can get information from this age. There have been theories about how this is possible for a long time, and now what’s new is that American researchers have also created a mathematical model to get closer to the answer.


I want to understand how gravitational waves interact with matter. Because the waves pass through everything, and as a result they either compress or break apart the given matter the size of an atom. The big question is how this interaction is and whether it can be measured at all.

Researchers are trying to discover how gravitational waves affected matter after the Big Bang and how they affected the cosmic microwave background radiation. They claim that if this works, it might be possible to determine exactly when time began.

The starting point of the work is not about gravitational waves at all, but about the plasma physics of nuclear fusion reactors. Nuclear fusion is what powers stars, and if all goes well, it could bring zero-carbon energy back to Earth. During this work it became clear that some of the equations governing one phenomenon could be modified, thus providing an explanation for the other.

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