Authors: George Rajna
After drawing both praise and skepticism, the team of astronomers who discovered NGC 1052-DF2-the very first known galaxy to contain little to no dark matter-are back with stronger evidence about its bizarre nature.  Researchers from Russia, Finland, and the U.S. have put a constraint on the theoretical model of dark matter particles by analyzing data from astronomical observations of active galactic nuclei.  Just how quickly is the dark matter near Earth zipping around? The speed of dark matter has far-reaching consequences for modern astrophysical research, but this fundamental property has eluded researchers for years.  A NASA rocket experiment could use the Doppler effect to look for signs of dark matter in mysterious X-ray emissions from space.  CfA astronomers Annalisa Pillepich and Lars Hernquist and their colleagues compared gravitationally distorted Hubble images of the galaxy cluster Abell 2744 and two other clusters with the results of computer simulations of dark matter haloes.  In a paper published July 20 in the journal Physical Review Letters, an international team of cosmologists uses data from the intergalactic medium-the vast, largely empty space between galaxies-to narrow down what dark matter could be.  But a new hypothesis might have gotten us closer to figuring out its identity, because physicists now suspect that dark matter has been changing forms this whole time-from ghostly particles in the Universe's biggest structures, to a strange, superfluid state at smaller scales. And we might soon have the tools to confirm it.  Superfluids may exist inside neutron stars, and some researchers have speculated that space-time itself may be a superfluid. So why shouldn't dark matter have a superfluid phase, too?  "The best result on dark matter so far-and we just got started." This is how scientists behind XENON1T, now the most sensitive dark matter experiment worldwide , commented on their first result from a short 30-day run presented today to the scientific community.  The gravitational force attracting the matter, causing concentration of the matter in a small space and leaving much space with low matter concentration: dark matter and energy. There is an asymmetry between the mass of the electric charges, for example proton and electron, can understood by the asymmetrical Planck Distribution Law. This temperature dependent energy distribution is asymmetric around the maximum intensity, where the annihilation of matter and antimatter is a high probability event. The asymmetric sides are creating different frequencies of electromagnetic radiations being in the same intensity level and compensating each other. One of these compensating ratios is the electron-proton mass ratio. The lower energy side has no compensating intensity level, it is the dark energy and the corresponding matter is the dark matter. SIMPs would resolve certain discrepancies between simulations of the distribution of dark matter, like this one, and the observed properties of the galaxies. In particle physics and astrophysics, weakly interacting massive particles, or WIMPs, are among the leading hypothetical particle physics candidates for dark matter.
Comments: 28 Pages.
[v1] 2019-03-28 10:39:58
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