Describe the structure of atmosphere?

Question: Describe the structure of atmosphere?

The atmosphere is the layer of gases that surrounds the Earth and protects it from the harsh conditions of outer space. The atmosphere is divided into five main layers: the troposphere, the stratosphere, the mesosphere, the thermosphere and the exosphere. Each layer has different characteristics and functions.

The troposphere is the lowest and thickest layer of the atmosphere, where most of the weather phenomena occur. The temperature in the troposphere decreases with altitude, reaching about -60°C at the top. The troposphere extends from the surface to about 10 km (6 miles) high.

The stratosphere is the second layer of the atmosphere, where the ozone layer is located. The ozone layer absorbs most of the harmful ultraviolet radiation from the Sun and protects life on Earth. The temperature in the stratosphere increases with altitude, reaching about 0°C at the top. The stratosphere extends from about 10 km (6 miles) to about 50 km (31 miles) high.

The mesosphere is the third layer of the atmosphere, where most of the meteors burn up as they enter the Earth's atmosphere. The temperature in the mesosphere decreases with altitude, reaching about -90°C at the top. The mesosphere extends from about 50 km (31 miles) to about 80 km (50 miles) high.

The thermosphere is the fourth layer of the atmosphere, where the auroras (northern and southern lights) occur. The temperature in the thermosphere increases with altitude, reaching up to 1500°C or more. The thermosphere extends from about 80 km (50 miles) to about 500 km (310 miles) high.

The exosphere is the fifth and outermost layer of the atmosphere, where the atmosphere gradually merges with outer space. The temperature in the exosphere varies depending on the solar activity. The exosphere extends from about 500 km (310 miles) to about 10,000 km (6,200 miles) high.

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