it means the air height.
The mesosphere is located in the middle of the atmosphere
The mesosphere is in space it is the 3rd atmosphere.
The mesosphere is a layer of the atmosphere. As such it is gaseous.
The third layer of the atmosphere is the mesosphere. It is located above the stratosphere and below the thermosphere. The mesosphere is where most meteoroids burn up upon entering the Earth's atmosphere.
atmosphere
The middle layer of the atmosphere is the Mesosphere.
mesosphere
In the mesosphere
In the mesosphere
Mesosphere
The mesopause is the third highest layer of the Earth's atmosphere, located above both the mesosphere and the stratosphere. It marks the boundary between the mesosphere and the thermosphere.
Below the thermosphere are the mesosphere, stratosphere, and troposphere. The mesosphere is the layer of the atmosphere above the stratosphere and below the thermosphere. The stratosphere is above the troposphere and below the mesosphere, and the troposphere is the lowest layer of the Earth's atmosphere.