Atmospheric Layers

Atmospheric Layers are also called as Layers of Atmosphere.

The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night.

The atmosphere of Earth  is divided into 5 atmospheric layers as follows:

  • Exosphere: >700 km (>440 miles)
  • Thermosphere: 80 to 700 km (50 to 440 miles)
  • Mesosphere: 50 to 80 km (31 to 50 miles)
  • Stratosphere: 12 to 50 km (7 to 31 miles)
  • Troposphere: 0 to 12 km (0 to 7 miles)




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