The mesosphere is known for its extremely low fractions?dictionary=temperatures&did=169" onclick="getAsistant(this,event,169,'temperature');return false;" style="color:#009000;">temperatures, with fractions?dictionary=temperatures&did=169" onclick="getAsistant(this,event,169,'temperature');return false;" style="color:#009000;">temperatures decreasing as fractions?dictionary=altitude&did=412" onclick="getAsistant(this,event,412,'altitude');return false;" style="color:#009000;">altitude increases. The average fractions?dictionary=temperature&did=169" onclick="getAsistant(this,event,169,'temperature');return false;" style="color:#009000;">temperature in the mesosphere can drop as low as -130°C (-200°F).
As with other layers of the fractions?dictionary=atmosphere&did=247" onclick="getAsistant(this,event,247,'atmosphere');return false;" style="color:#009000;">atmosphere, the air fractions?dictionary=pressure&did=245" onclick="getAsistant(this,event,245,'pressure');return false;" style="color:#009000;">pressure in the mesosphere decreases with fractions?dictionary=altitude&did=412" onclick="getAsistant(this,event,412,'altitude');return false;" style="color:#009000;">altitude. At the top of the mesosphere, the air fractions?dictionary=pressure&did=245" onclick="getAsistant(this,event,245,'pressure');return false;" style="color:#009000;">pressure is extremely low.
The mesosphere is the layer of the fractions?dictionary=atmosphere&did=247" onclick="getAsistant(this,event,247,'atmosphere');return false;" style="color:#009000;">atmosphere where most meteoroids burn up upon entering the fractions?dictionary=earth%27s&did=334" onclick="getAsistant(this,event,334,'earth');return false;" style="color:#009000;">Earth's fractions?dictionary=atmosphere&did=247" onclick="getAsistant(this,event,247,'atmosphere');return false;" style="color:#009000;">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.
The mesosphere plays a crucial role in protecting the fractions?dictionary=earth&did=334" onclick="getAsistant(this,event,334,'earth');return false;" style="color:#009000;">Earth from impacts by meteoroids, as well as in supporting certain types of atmospheric phenomena such as noctilucent clouds.