Why are the main 5 layers of the atmosphere important?

They are defined as layers because there are of different temperature. In some, the temperature increases with altitude, in others, they sink. read more

Mind you, some define our atmosphere in only four layers, troposphere, stratosphere, mesosphere and ionosphere. But the latter is now divided into the thermosphere and exosphere. The important is to know that in our troposphere, where we live, the temperature sinks with altitude. read more

there are 4 main layers to the atmosphere. The one highest in altitude is the thermosphere. The thermosphere breaks down into two parts: the exosphere and the ionosphere. The exosphere is where all of earth's satellites orbit the earth, along with all of our space shuttles and so on and so forth. read more

This layer has been so named because of its situation in the middle of the five layers that is divided according to the thermal conditions of the atmosphere. The mesosphere stretches at altitudes between 50 and 80 km. read more