Perhaps our universe is more open and hotter than previously thought, while we are in a kind of bubble where the density of matter is much lower. This was determined by two Swiss physicists, and thus perhaps solved the mystery of the paradox in the Hubble constant.
In addition, their calculations will resolve more contradictions and new physics is no longer necessary, the University of Geneva explains. He offers the latest arguments from Benjamin Bose and Lucas Lombriser in support of their model, which they’ve been working on for a while. Their study was published in Physical Review D.
Explained with ancient physics
The researchers explain that their model not only addresses the discrepancy in the Hubble constant (H.0) Dissolves. This is an essential quantity for understanding the universe. It indicates the rate at which the universe is currently expanding by summing up the rate at which an object is moving away from us at a distance of one megaparsec (3.26 million light years) simply due to the expansion of the universe. For comparison: the Andromeda galaxy is about 0.89 mega-parsecs away from us. Measurements of relatively close objects in the universe consistently provide a value of about 74 km / s / Mpc, while the Planck Space Telescope, by analyzing the cosmic background radiation (CMB), identified 9 percent less (just over 67 km / s). / MPC).
Last year, Lumpresser suggested that the solution to the puzzle is that we could find ourselves in some kind of giant bubble with a density less than the average universe. More analytics now support this, Explain now. Until now, a constant temperature of the cosmic background radiation has been assumed, which comes from the time (about 370,000 years after the Big Bang) when light was able to move freely for the first time in the young universe. But if you do not make any assumptions about this – and also about the curvature of the universe – precisely because the measured values here deviate from the cosmic mean due to this bubble, then everything will come together, and the two confirm to you.
Once these two assumptions are removed from the equations, the discrepancy is not solved only in the Hubble constant. Other contradictions in cosmological research can also be illustrated in this way. Type Bose and Lombriser. Accordingly, there are discrepancies between the average density of the universe, differences in temperatures in the universe and the paths that the cosmic background radiation has taken to us. All this arises accordingly when the density in our cosmic neighborhood (about 10 to 100 mega-parsecs) is about 20 percent less than the average for the entire universe. This falls well within the possible range of differences.
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