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Troposphere 16 km above the earth's surface. Weather happens here. Contains the air we breath. Temperature drops as altitude increases.
Stratosphere 60 km above the earth's surface. Planes fly here. Temperature goes up as altitude increases then goes down. The ozone layer is here.
Mesosphere 80 km above the earth's surface. Middle layer. Lowest temperatures. Meteors burn up in this layer.
Ionsphere 480 km above the earths surface. Thin air and almost no oxygen. Ions reflect radio waves.
Exosphere Outermost region. Boundary not known. A nearly perfect vacuum. Little matter. Satellites orbit here.
Created by: 1963181268