The stratopause (formerly Mesopeak) is the level of the atmosphere which is the boundary between two layers: the stratosphere and the mesosphere. In the stratosphere the temperature increases with altitude, and the stratopause is the region where a maximum in the temperature occurs. This atmospheric feature is not only associated with Earth: it occurs on any other planet or moon that has an atmosphere as well.[1][2][3]

On Earth, the stratopause is 50 to 55 kilometres (31–34 mi) high above the Earth's surface. The atmospheric pressure is around 1/1000 of the pressure at sea level. The temperature in the stratopause is -15 degrees Celsius (5 degrees Fahrenheit).[4]

See also


  1. "Stratopause (Global Warming)". Retrieved 2017-05-22.
  2. "What is the Stratopause". Retrieved 2017-05-22.
  3. "Atmosphere | Troposphere | Stratosphere | Mesosphere | Thermosphere". Retrieved 2017-05-22.
  4. "stratopause | meteorology". Encyclopedia Britannica. Retrieved 2017-05-22.
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