Which one of the following is the correct sequence of layers as we move from the Earth’s surface upwards?
Troposphere, Stratosphere, Thermosphere, Mesosphere
Troposphere, Stratosphere, Mesosphere, Thermosphere
Thermosphere, Mesosphere, Stratosphere, Troposphere
Stratosphere, Mesosphere, Troposphere, Thermosphere
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC NDA-2 – 2021
1. **Troposphere:** The lowest layer, where most weather occurs. Temperature generally decreases with altitude.
2. **Stratosphere:** Above the troposphere, contains the ozone layer. Temperature increases with altitude due to ozone absorption of UV radiation.
3. **Mesosphere:** Above the stratosphere. Temperature decreases with altitude; it is the coldest layer. Most meteors burn up here.
4. **Thermosphere:** Above the mesosphere. Temperature increases sharply with altitude due to absorption of high-energy solar radiation by sparse gas molecules. The International Space Station orbits here.
Above the thermosphere is the Exosphere, transitioning into outer space.