click below
click below
Normal Size Small Size show me how
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. |