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Earth's System: The Atmosphere
Mesosphere
Description
Mesosphere
The mesosphere is the third layer of Earth’s atmosphere, found above the stratosphere and below the thermosphere. It starts around 50 kilometers (31 miles) above Earth and extends up to about 85 kilometers (53 miles). The mesosphere is the coldest layer of the atmosphere, with temperatures dropping as low as -90...
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Transcript
The mesosphere is the third layer of Earth’s atmosphere, located above the stratosphere and below the thermosphere.
It reaches up to about 53 miles above the surface. Temperature decreases with altitude, making this the coldest atmospheric layer.
The air is extremely thin here, with very few gas molecules to absorb heat. ...
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