Mesosphere Study Guide
Temperature
The mesosphere is known for its extremely low temperatures, with temperatures decreasing as altitude increases. The average temperature in the mesosphere can drop as low as -130°C (-200°F).
Air Pressure
As with other layers of the atmosphere, the air pressure in the mesosphere decreases with altitude. At the top of the mesosphere, the air pressure is extremely low.
Meteors
The mesosphere is the layer of the atmosphere where most meteoroids burn up upon entering the Earth's atmosphere. This is due to the high speed at which they travel and the resulting friction with the air, causing them to heat up and disintegrate.
Importance
The mesosphere plays a crucial role in protecting the Earth from impacts by meteoroids, as well as in supporting certain types of atmospheric phenomena such as noctilucent clouds.
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