What is the division of earth s atmosphere Good Day... The Earths atmosphere is divided into 5 layers such as, troposphere, stratosphere, mesosphere, thermosphere and exosphere. All layers have division between them. Division between each layer of atmosphere: Tropopause - divides the troposphere and stratosphere. Stratopause - divides the stratosphere and mesosphere Mesopause - divides the mesosphere and thermosphere Thermpause - divides thermosphere and exosphere Hope it helps...=)