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All terms in this list:

atmosphere: The gases surrounding the Earth or any astronomical body.

Air pressure: atmospheric pressure

Thermosphere: layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere

mesosphere: layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere

stratosphere: The region of the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar UV radiation by ozone. The stratosphere extends from the tropopause (10-15 kilometers) to approximately 50 kilometers.

troposphere: The lower levels of the atmosphere extending from the earth's surface up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.

ozone layer: A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone; it absorbs most solar ultraviolet radiation

greenhouse effect: (with the) The process by which a planet is warmed by its atmosphere. (Do not confuse with global warming.)

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