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Earth's Atmosphere

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by

Steven Miller

on 4 June 2014

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Transcript of Earth's Atmosphere

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
Layers of the Atmosphere By: Luc Guignard and Steven Miller
Stratosphere
The stratosphere is the second layer of the atmosphere and it is located between the mesosphere and the troposphere. The temperature of the stratosphere is from -55 degrees Celsius (-70 degrees Fahrenheit) to 0 degrees Celsius (32 degrees Fahrenheit).The range is -55 degrees Celsius.The stratosphere's altitude is from 12 km to 50 km.The stratosphere has the ozone layer which absorbs the suns ultraviolet radiation. A man-made object in the stratosphere is a weather balloon.It helps heat the air with the ozone layer.
Mesosphere
The mesosphere is the third layer of the atmosphere. It is located between the stratosphere and the exosphere. The temperature is from -90 degrees Celsius (-130 degrees Fahrenheit) to 0 degrees Celsius (32 degrees Fahrenheit) The range of the temperature is 90 degrees Celsius (194 degrees Fahrenheit.) The altitude of the mesosphere is 50 km (31 miles) to 80 km (49 miles). When you see a "shooting star" in the sky it's really a meteor burning up in the mesosphere. One man-made object in the atmosphere are sounding rockets that enter the mesosphere, but don't orbit the Earth. Most of the movement in the mesosphere is caused by waves of air.
Thermosphere
The thermosphere is located above the mesosphere, and at the edge of the atmosphere.The temperature of the thermosphere is from -90 degrees Celsius (-130 degrees Fahrenheit) to 1,800 degrees Celsius ( 3272 degrees Fahrenheit). The range of the temperature is 1,710 degrees Celsius (4000.8 degrees Fahrenheit).The altitude of the thermosphere is from 80 km( about 50 miles), into an unknown distance in space.The aurora borealis occurs in the thermosphere.One man-made object in the thermosphere is a satellite.The thermosphere has no definite end.







Ionosphere and Exosphere.
The ionosphere is the lower layer of the thermosphere. The ionosphere is located between the mesosphere and the exosphere. The ionosphere turns solar energy into ions (electrically charged particles.) The aurora borealis occurs in the ionosphere.

The exosphere is the top layer of the thermopshere. The thermosphere is located above the ionosphere and it's the last layer before the atmosphere ends. The exosphere houses many of Earths satellites.
Tropopause , Stratospause , and Mesopause
The tropopause is the layer between the troposphere and the stratosphere where the temperature stays the same•The tropopause is the start when the air stops getting colder in the atmosphere and starts warming up.•The tropopause is the start when the air stops getting colder in the atmosphere and starts warming up.The stratopause is the boundary between the stratosphere and the mesosphere.The stratopause is the boundary between the stratosphere and the mesosphere.http://www.thefreedictionary.com/stratopause.The boundary between the upper mesosphere and the lower thermosphere. It has the coldest part of the atmosphere of -100 degrees The boundary between the upper mesosphere and the lower thermosphere. It has the coldest part of the atmosphere of -100 degrees celsius.The boundary between the upper mesosphere and the lower thermosphere. It has the coldest part of the atmosphere of -100 degrees celsius.


Troposphere
The troposphere is the first layer of the atmosphere. It is located between the Earth and the stratosphere. The temperature is from -60 degrees Celsius (-76 degrees Fahrenheit) to 15 degrees Celsius (59 degrees Fahrenheit) . The range of the temperature is 45 degrees Celsius (113 degrees Fahrenheit). It's altitude is from 0 km (0 miles) above sea level to 12 km ( about 7 and a half miles) above sea level. Most rain, snow storms and clouds are in the troposphere. Some man-made objects in the troposphere are, cars, planes, and houses.
Sub-Layer,Ozone Layer
The ozone layer is a layer of Ozone gas and Oxygen gas, that helps protect us from the suns ultraviolet rays. http://science.howstuffworks.com/environmental/green-science/ozone-layer.htm

Atmosphere composition
How much nitrogen? 78%
How much oxygen? 21%
How much of other gases? 1%
How much density changes as altitude increases? Density decreases as altitude increases.

Thanks for watching!
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