04 Mai Atmosphere, the gas and aerosol envelope that extends with the ocean, land, and ice-covered area of the earth outward into space
The density of your ambiance decreases outward, since the gravitational attraction of your world, which pulls the gases and aerosols (microscopic suspended particles of dust, soot, smoke, or substances) inward, is finest close to the surface area. Atmospheres of some planetary bodies, this rephrasing kind...