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Why does the temperature decrease again above stratopause in mesosphere?
Question
#77641. Asked by uclageographer. (Mar 22 07 3:40 AM)
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Arpeggionist
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You mean increase. It's because the mesosphere is less dense, there's more room for molecules to move around, and they move faster (energized by the sun). Faster molecules means a higher temperature.
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uclageographer
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Nope, temperature actually decrease again above stratopause in mesosphere. I wonder why
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What-A-Mess
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Troposphere: (7-17 km)in the troposphere, on average, temperature decreases with height due to expansive cooling.
Stratosphere: (17-50 km) temperature increasing with height.
Mesosphere: (50-85 km) temperature decreasing with height.
Thermosphere: (85-640+ km) temperature increasing with height.
This is an incomplete listing of the layers but it does cover the question without an answer!
http://en.wikipedia.org/wiki/Earth's_atmosphere
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