Theoretical Model of the Big Bang

Theoretical Model of the Big Bang

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This is the concept of the Big Bang, and the vertical axis represents the timeline of the Big Bang process. The top of the inverted cone represents the subatomic matter (yellow-red) of the cosmic origin, which is the original matter of the universe with extremely high temperature and density. Our galaxy stars (clouds) Move up along the timeline and are constantly expanding. The Big Bang is still in progress.

The universe is constantly expanding, rather than the ingenious, even physical existence. This bold idea is a revolution in astronomical physics. I remember that when I joined the Department of mathematics and astronomy of Nanjing University in 1957, I considered the big bang as a "bad way" and it was very naive and ridiculous. In fact, in 1927, the Belgian physicist Georges Lemaitre (1894-1966) first proposed the theory (or idea) of the Big Bang and conducted in-depth research. In 1929, the American astronomy Edwin Hubble (1989-1953) found a redshift phenomenon, laying the foundation of the Big Bang theory.

In 1964, Arno Penzias and Robert Wilson used the Holmdel horn radio telescope to find the cosmic background radiation and provided strong evidence for the Big Bang theory. To this end, the two won the 1978 Nobel Prize in Physics.

In April 17 this year, scientists used the Antarctic radio telescope to discover direct evidence of the Big Bang theory for the first time. So far, the theory of the Big Bang is no longer an evil way.

Theoretical Model of the Big Bang