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Tag: Physics

September 12, 2014

Great Russian Encyclopedia

by Lisa
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The fact that the value of the Hubble constant, defined for small volumes of space with an uneven distribution galaxies close to its value for large-sized areas in which galaxies are distributed evenly, confirms the independence of this constant on the density distribution of matter in space. In the area reduce the density of objects up to the limits of the positive values of accelerating their removal from the center of the space, the differences in the density of objects by value does not exceed one order, which is close to situation with the approximately equal density distribution of galaxies in the observable universe 2. Separation of galaxies from the “local group” and the Hubble flow can be explained as follows. Speed of movement galaxy contains random and systematic components. Random component – is a proper velocity of the galaxy is assumed independent of the distance to this galaxy. Systematic component – is rate associated with a decrease in the density distribution of galaxies due to their free walk, approximately linearly increases with distance. If the galaxies are located relatively close to each other, systematic component is less than random – the galaxies are moving in random directions. As the distance between galaxies, the magnitude of the systematic component increases – galaxies scatter.

If proposed an alternative hypothesis is true, then the laws of motion of galaxies should be observed: – The ratio of the rate of removal of the galaxy to the distance to it should decrease with an increase in this distance; – Acceleration of distant galaxies should be predominantly negative, positive values should be observed at large distances from the point of observation, at low, relatively constant values of the local Hubble constant values of this – in the observable universe (up to the borders of the positive values of acceleration removal) should be shown the spatial anisotropy of the density distribution of galaxies (in within one order) and the value of the Hubble constant (up to twofold decrease in the local Hubble constant). Sources: 1. Physics: Entsiklopediya. Ed. UV Prokhorov. – Moscow: Great Russian Encyclopedia, 2003. – 944 sec.: Ill.



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