Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.b9016z&link_type=abstract
American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #B9.016
Physics
Scientific paper
Radiation mechanics provides an understanding of evolution of galaxies. The life spans of galaxies are somewhat like those of persons in the society. Evolution of galaxies is featured by aging. As more and more condensed stellar nebulae are released from the galactic nuclei and wipe out galaxies, the galactic nuclei evolve from the initially circular shapes to the elliptical shapes and barred shapes with decaying of the galactic nuclei and aging of galaxies. The stellar nebulae are further condensed into stars and planets. The total orbital angular momentum of the stars in a galaxy decreases and the polarities of the stars become heterogeneous with aging of a galaxy. Galaxies are born by collision and die of age, to be disintegrated, or of accidents in collision. The theory confesses that the universe is not created, but exists and may not be homogeneous. It is shown that the velocity of light rays coming from distant galaxies should decrease, even to zero. This interprets the famous phenomena of red-shift and leads to the conclusion of that only a finite part of the universe is visible.
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