Dark matter may have weirder behavior than suspected. More exactly, the capacity to dash through the universe without slowing down in light of the fact that its particles don’t even interact with one another, a new research distributed Thursday in Science proposes.
In light of what we can perceive about the universe, galaxies ought to be shredding themselves. That is the where purported dark matter enters the scene.
Dark matter is a term for the yet imperceptible matter that must be building up universe, giving cosmic systems the gravity they require to turn at the rates they do without breaking to pieces. In any case, despite the fact that we haven’t got dark matter in a clear observation, researchers can find out more about relying on the impacts it has on more common, visible types of matter.
In this latest study, specialists took a gander at cosmic system groups otherwise known as clusters to investigate how dark matter might act when galaxies run into one another. Galaxies collide constantly, here and there joining and now and again going directly past one another. The gas within cosmic systems slows down when it meets different gas, and stars are mostly excessively spread out, making it impossible to really impact one another or interact.
Lead researcher David Harvey of the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland noted in an announcement:
“We know how gas and stars react to these cosmic crashes and where they emerge from the wreckage. Comparing how dark matter behaves can help us to narrow down what it actually is.”
In examining 72 galactic confrontations, Harvey and his associates uncovered that dark matter didn’t wind down when clusters ran into each other. That was a surprise as researchers theorize that dark matter is very common in the universe, maybe making up as much as 90 percent of aggregate matter. Subsequently dark matter must be hitting other dark matter in transit, yet these imperceptible particles weren’t sowing any sign of dragging against one another.
Harvey further explained:
“We have now pushed the probability of two ‘dark matter particles’ interacting below the probability of two actual protons interacting, which means that dark matter is unlikely to consist of just ‘dark-protons. If it did, we would expect to see them ‘bounce’ off each other”.
So essentially, dark matter is even less like “normal” matter than we suspected. Regardless, these discoveries recommend that this matter isn’t really comprised of particles like the matter we’re acquainted with.
Image Source: The Atlantic