Factors that determine a planet's atmosphere

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To understand the physics of atmosphere, you need to understand the present knowledge of planetary formation to guess the evolution of atmosphere. To know in a nutshell, we may prescribe that a portion of an interstellar cloud collapsed into a rotating disk of gas and a central bulge containing most of the mass. This bulge continued to collapse until its core became thermonuclear to be turn on as a Star.

The external rotating disk of gas is rich in same kinds of chemicals and dust that astronomers find today in dense interstellar cloud. This disk for our Sun was solar nebula. This rotating disk usually contained dusts like ...