Atmosphere

Definition of Atmosphere Atmosphere is layer of air or gases that cover theEarth, contain of :Nitrogen [N2] 78.08%Oxygen [O2] 20.94%Argon [Ar] 0.93%Carbon dioxide [CO2] 0.03%The other gases [ozone, krypton, xenon, helium]0.02%

Characteristic of AtmosphereTransparent with all kind of radiationDynamist and bent Doesnt have color, odor, and flavorHas weight Include of some gases [ nitrogen, oxygen, argon, carbon dioxide, etc ]Include of some layer

The Layers of AtmosphereTroposphere

Most bottom layer with thickness 12km. In equator line, troposphere more thick then In pole. Per 100m go up, the degree decrease 0,6c it is called gradient temperature. In Troposphere there are weather incident, like cloud, rain, thunderclap, etc. In here also has living things like bird, insect, etc. Between troposphere and stratosphere there is changer layer called tropopause.

Stratosphere Second layer of atmosphere. Stratosphere situated in elevated place between 15 - 55km. There is ozone for absorb ultraviolet that very dangerous for life. Between stratosphere and mesosphere, there is stratopause layer.

Mesosphere Third layer of atmosphere that situated in elevated place between 55 - 80km. Protect earth from meteor attack. Between mesosphere and thermosphere there is mesopause.

Thermosphere [ Ionosphere ] Fourth layer of atmosphere that situated atelevated place between 80 800km.At thermosphere layer that more top, the degree more hot [ inversion ] until 1700c because at atmosphere layer occur ionization of air atom by X light and ultraviolet light by sunlight. So, thermosphere is called ionosphere. There is Kennely Heaviside [ E layer ] and Appleton [ F layer ] for bounce radio wave.

Exosphere Most top layer from atmosphere that situated at elevated place between 800 1000km. Air more hot and gravitation more small.After exosphere there is empty air room.

Function of AtmosphereFor breath [ oxygen ]For keep the earth still warm[troposphere ]Protect earth from meteor [ mesosphere ]Protect beings from ultraviolet [ ozone ]It rebound wave of radio [ Kennely Heaviside and Appleton in Ionosphere ]

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