0 the layer of gases surrounding the earth at a height of between 50 and 100 kilometres
1 the layer of gases surrounding the earth at a height of between 50 and 100 kilometers, above the stratosphere
The mesosphere is also the layer where most meteors burn up upon atmospheric entrance.
The downwelling over the nightside causes adiabatic heating of the air, which forms a warm layer in the nightside mesosphere at the altitudes 90120 km.
Within the mesosphere most melt or vaporize as a result of collisions with the gas particles contained there.
It covers the altitude range from the land and ocean surface up to the turbopause, including the troposphere, stratosphere and mesosphere.
Going upwards from the ground, these are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
Above 10km mi is the stratosphere, followed by the mesosphere.
Most of the ozone production occurs in the tropical upper stratosphere and mesosphere.
Sodium guide stars use laser light at 589 nm to excite sodium atoms in the mesosphere and thermosphere, which then appear to glow.
