Jalil Omidian


The far galaxies light has redshifts, so increasing in their distance led to increase in the redshift. According to the Doppler Effect, the redshift observation was interpreted as the galaxies and other components of the universe are moving away from each other quickly. In this paper, a hypothesis has considered that can be explain the redshift without assuming the galaxies moving away from each other. Based on the Big Bang theory, the universe and the mass and energy densities were denser in the past. By regarding the general relativity theory, it is hypothesized that mass and energy densities caused space-time contraction in the past. Because of the more of the observed light are related to the past, and so related to the higher densities of mass and energy of faraway galaxies, resulting in further contraction and shortening of space-time. Since the observed light has been produced of far cosmic regions and it belonged to the past and shorter time relative to now due to the space-time contraction in the past. However, when it reaches us, it is observed over a longer period of time because of the time expansion that is why the wavelength of the observed light extend to the higher wavelength. Generally, the longer the distance, the greater the redshift, because the light belongs to the further past

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