Authors: Sylwester Kornowski
Here, applying the Scale-Symmetric Theory (SST), we answered following question: What is the origin of the cosmic reionization? Presented here scenario differs radically from that described within the mainstream cosmology. Most important are masses of massive galaxies/quasars and the decays of large cosmic structures due to the stepwise decays of the earliest photons (such decays of photons mimic an acceleration of expansion of the Universe). Highest rate of reionization of hydrogen should be for redshift z(H,start) = 11.18 whereas complete reionization should occur at z(H,end) = 7.10. For reionization of helium we obtain respectively z(He,start) = 3.63 and z(He,end) = 2.70. Theoretical results are consistent with observational data. It leads to conclusion that the General Theory of Relativity (GR) correctly describes the regions of reionization. We showed that number and energy of created photons were sufficient to ionize the intergalactic medium. We answered as well the second very important question: Why there appeared the supermassive black holes so quickly? We showed here also that there was an acceleration of evolution of clusters of galaxies (not an acceleration of expansion of spacetime!) about 13.8 down to 13 Gyr and 6.5 down to 5 Gyr ago.
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