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Atmosphere
Term | Definition |
---|---|
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. |