In this revision, the basic viewpoint has not changed, but some amendments have been made in individual data and expression forms.
Nowadays, it is well known that the universe started from a big bang. However, its magic and nihility are quite obvious, and some people always hold negative opinions about it. General relativity is the main theoretical basis of Big Bang cosmology. Starting from the essence of relativistic spacetime view, we would point out that the relativistic effect is a lens effect, namely the relativistic spacetime is not the real spacetime, but the material spacetime formed by observing the world through the physical vacuum. Therefore the gravitational field equation based on this spacetime view cannot describe the real universe. There are other problems with Big Bang cosmology, such as the indirectness and approximation of the actual data, and the free parameters are too free in mathematical models. The universe is inexhaustible, and cosmology will be always on the way.
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