The coldest part of atmosphere

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The coldest part of atmosphere

• Beyond the thermosphere is the exosphere.
• Outermost layer of the atmosphere
• Transition zone of space

• Thermosphere is also called ionosphere.
• Temperatures up to thousand degrees Fahrenheit.

• Contains water vapor, carbon dioxide, methane,
  nitrous oxide, etc.
• These gases retain heat
• Includes ozone layer which absorbs ultraviolet
  radiation

• Most of the clouds are found in this layer
• This layer associate with weather

• This is earth which primarily make up of nitrogen
  and oxygen.