atmosphere [Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. Although some details about the atmospheres of other planets and satellites are known, only the earth's atmosphere has been well studied, the science of which is called meteorology.
Sections in this article:
- Layers of the Earth's Atmosphere
- Components and Characteristics of the Earth's Atmosphere
- Role of the Earth's Atmosphere
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