Layers of the atmosphere
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This presentation was created by Joshua James who is an employee of http://www.ipsbalers.com Exosphere- This is the outermost layer and is 10,000 km from the earths surface. The general make up is comprised of hydrogen and helium. The particles rarely collide because they travel hundreds of kilometers and never interact with each other. Thermosphere- This is layer is approximately 650 km from the earths surface with extremely low density molecules. The temperatures in this layer can rise to 1,500 degrees Celsius, which is high. The molecules travel approximately 1 km between collisions. This layer is responsible for housing the International Space Station that orbits in the middle range where molecular collisions are less frequent. Mesosphere- This layer is approximately 85 km from the earth and is responsible for protecting us from meteors since the majority of meteors burn up in this region. At the top of the mesosphere you had the coldest place on earth with temperatures hovering around -85 degrees Celsius. They can drop as low as -100 degrees Celsius which in turn forms ice clouds. Stratosphere- The stratosphere is approximately 51 km about the earth and is responsible for the absorption of ultraviolet radiation by the ozone layer (more on this next post). The temperature may be -60 degrees Celsius but the top may be close to freezing. Troposphere- This layer actually begins at the surface and only extends around 9 km to 17 km depending on where it is being measured. The temperature of this layer is dependent on the transfer of energy. So the lowest part is the warmest. This layer is actually responsible for roughly 80% of the atmospheres mass.
Transcript of Layers of the atmosphere
Layers of the
Atmosphere As Researched by
Joshua James
September
21, 2012
1
Atmosphere Explained
The envelope or bubble of gases that
surround the earth in rings.
Air pressure and density decrease further
away from the earths surface
Temperature provides the best metric to
distinguish layers
September 21, 2012 2
Exosphere
Outer most layer
10,000 km from earths surface
Comprised of Hydrogen and helium
Particles rarely collide
September 21, 2012 3
Thermosphere
650 km from the earths surface
Temperatures exceed 1,500
degrees Celsius
Molecules travel 1 km before
colliding
International Space Station
resides here
September 21, 2012 4
Mesosphere
85 km from earths surface
Protects earth from meteors
The top is coldest place on earth at -85 to
-100 degrees Celsius
Ice clouds form
September 21, 2012 5
Stratosphere
51 km from earths surface
Absorbs ultraviolet radiation
Temperatures are -60 degrees Celsius
Top temperatures are close to freezing
September 21, 2012 6
Troposphere
Begins at the earths surface
Extends 9 km to 17 km
Transfer of energy determines
temperature
Lowest part is the warmest
Responsible for 80% atmospheres mass
September 21, 2012 7
