Looking ourselves into a mirror is something which we daily do in our life. It shows how we look or how our outer appearance is? And of course, we use it for creating funny moments in front of it. It somehow fascinates us and at the same time, there are haunted unusual mirrors behind which several mysteries hidden to which we are unaware of.
Have you ever noticed any unusual thing while gazing into a mirror for long hours? While looking at your reflection, have you ever thought what is exactly behind a mirror? Do you ever come across any weird mirror which does not show your reflection? Like all these, there are various mysterious questions behind mirrors which will frighten anyone.
Using mirror had become so common to us in present times, that we hardly think of any unusual things about it. We never take things seriously until and unless something happens in someone’s life. We always forget that even small things which we ignore might have many hidden truths behind it. In the same way, there are many myths and legends related to the mirrors which give anyone a haunted feeling.
“Basically, we point out that a lot of the observations we do in cosmology have an inherent symmetry under rescaling the universe as a whole. This might provide a way to understand why there appears to be a discrepancy between different measurements of the Universe's expansion rate,” said lead researchers Francis-Yan Cyr-Racine from the University of New Mexico, and Fei Ge and Lloyd Knox at the University of California.
Their observations were published in the paper titled Symmetry of Cosmological Observables, a Mirror World Dark Sector, and the Hubble Constant, which was released recently in Physical Review Letters.
“The mirror world idea first arose in the 1990s but has not previously been recognised as a potential solution to the Hubble constant problem. This might seem crazy at face value, but such mirror worlds have a large physics literature in a completely different context since they can help solve an important problem in particle physics,” said Cyr-Racine. “Our work allows us to link, for the first time, this large literature to an important problem in cosmology.”
Apart from the mirror world idea, scientists have also considered the possibility of measurement errors to be behind the discrepancy. But as measurement tools have gotten better, the deviation between the theoretical and observed value has only increased, leading many to believe that measurement errors are not the reason behind the discrepancy.
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