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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Meteorites entering the Earth’s atmosphere burn up in which of the following layers?

    Question: Meteorites entering the Earth’s atmosphere burn up in which of the following layers?

    Options:

    Troposphere
    Exosphere
    Thermosphere
    Mesosphere

    The correct answer is Mesosphere

    đŸ”‘Key Points:
    -Mesosphere is the layer of the Earth's atmosphere where most meteorites burn up upon entering.
    -The mesosphere extends from about 50 to 85 kilometers (31 to 53 miles) above the Earth.
    -This layer is characterized by decreasing temperatures with altitude, making it the coldest layer of the atmosphere.
    -Meteorites burn up in the mesosphere due to the high density of particles, which causes friction and heat as they enter the atmosphere.
    -The mesosphere protects the Earth by preventing most meteorites from reaching the surface.

    đŸ”´Additional Information:
    -The Troposphere is the lowest layer of the Earth's atmosphere where weather phenomena occur.
    -The Stratosphere is above the troposphere and contains the ozone layer, which absorbs and scatters ultraviolet solar radiation.
    -The Thermosphere is above the mesosphere and is characterized by high temperatures due to the absorption of high-energy X-rays and ultraviolet radiation from the Sun.
    -The Exosphere is the outermost layer of the Earth's atmosphere, gradually transitioning into outer space.
    -Each layer of the atmosphere plays a crucial role in supporting life and protecting the Earth from harmful solar radiation and space debris.

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