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why is the thermosphere so hot

Radiation causes the air particles in this layer to become electrically charged, enabling radio waves to bounce off and be received beyond the horizon. The few molecules that are present in the thermosphere receive extraordinary amounts of energy from the sun, causing the layer to warm to high temperatures.4 ngày trước

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    Why is the thermosphere so hot but feels cold?

    The thermosphere lies between the exosphere and the mesosphere. “Thermo” means heat, and the temperature in this layer can reach up to 4,500 degrees Fahrenheit. If you were to hang out in the thermosphere, though, you would be very cold because there aren’t enough gas molecules to transfer the heat to you.

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    Is thermosphere the hottest layer?

    The thermosphere is often considered the “hot layer” because it contains the warmest temperatures in the atmosphere. Temperature increases with height until the estimated top of the thermosphere at 500 km. Temperatures can reach as high as 2000 K or 1727 ºC in this layer (Wallace and Hobbs 24).

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    Why is the thermosphere hot but the mesosphere is cold?

    The thermosphere is above the mesosphere but is actually the hottest layer due to the absorption of intense x-rays and ultraviolet radiation. Thus, the mesosphere lacks radiation absorption from below and above, making it the coldest layer.

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    Why is the thermosphere and exosphere so hot?

    Answer and Explanation: The thermosphere and exosphere are technically the warmest layers because they absorb the shortest wavelengths of solar radiation, heating (and also ionizing) molecules, though this occurs primarily in the thermosphere which is home to much of the resultant ionosphere.

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    Why is the thermosphere so hot but feels cold?

    The thermosphere lies between the exosphere and the mesosphere. “Thermo” means heat, and the temperature in this layer can reach up to 4,500 degrees Fahrenheit. If you were to hang out in the thermosphere, though, you would be very cold because there aren’t enough gas molecules to transfer the heat to you.

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    Why is the mesosphere not hot?

    There are very few gas molecules in the mesosphere. This means that there is little matter to absorb the Sun’s rays and heat the air.

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    Why does it get colder in the mesosphere?

    Within the mesosphere, temperature decreases with increasing height, due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission. The top of the mesosphere, called the mesopause, is the coldest part of Earth’s atmosphere.

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    Why is the thermosphere so hot?

    Radiation causes the air particles in this layer to become electrically charged, enabling radio waves to bounce off and be received beyond the horizon. The few molecules that are present in the thermosphere receive extraordinary amounts of energy from the sun, causing the layer to warm to high temperatures.

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    Why is the thermosphere so hot?

    Even though temperatures can reach several thousands of degrees, the low density of air can make people freeze in the thermosphere.

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    Can you freeze in the thermosphere?

    How can the thermosphere have high temperatures but not feel hot? Temperatures in the thermosphere are high because particles are moving quickly in the thermosphere. The thermosphere does not feel hot because it is not very dense, so particles cannot collide to transfer much thermal energy.

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    How can the thermosphere have such high temperatures and not be hot?

    Much of the X-ray and UV radiation from the Sun is absorbed in the thermosphere. When the Sun is very active and emits more high-energy radiation, the thermosphere gets hotter and expands or “puffs up”. Because of this, the height of the top of the thermosphere (the thermopause) varies.

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    Why thermosphere and exosphere are very hot?

    While still extremely thin, the gases of the thermosphere become increasingly denser as one descends toward the earth. As such, incoming high energy ultraviolet and x-ray radiation from the sun begins to be absorbed by the molecules in this layer and causes a large temperature increase.

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    Why is the exosphere so hot?

    The particles in the exosphere are moving very quickly, so the temperature there is quite hot.

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    Is the thermosphere or exosphere hotter?

    The thermosphere is often considered the “hot layer” because it contains the warmest temperatures in the atmosphere. Temperature increases with height until the estimated top of the thermosphere at 500 km. Temperatures can reach as high as 2000 K or 1727 ºC in this layer (Wallace and Hobbs 24).

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    How hot are thermosphere and the exosphere?

    The heat that won’t keep you warm The thermosphere lies between the exosphere and the mesosphere. “Thermo” means heat, and the temperature in this layer can reach up to 4,500 degrees Fahrenheit.

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    Why the thermosphere is the hottest layer?

    While still extremely thin, the gases of the thermosphere become increasingly denser as one descends toward the earth. As such, incoming high energy ultraviolet and x-ray radiation from the sun begins to be absorbed by the molecules in this layer and causes a large temperature increase.

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    Is the thermosphere hot or cold?

    The thermosphere lies between the exosphere and the mesosphere. “Thermo” means heat, and the temperature in this layer can reach up to 4,500 degrees Fahrenheit. If you were to hang out in the thermosphere, though, you would be very cold because there aren’t enough gas molecules to transfer the heat to you.

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    Why thermosphere is the hottest layer and not exosphere?

    In this layer, UV rays cause ionization and the temperature increases with altitude here due to absorption of solar radiation, making it the hottest. We can understand from the above discussion that the thermosphere has the highest level of absorption of high energy solar radiation, making it the hottest.6 ngày trước

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    Is the thermosphere hotter than the mesosphere?

    The temperature of the thermosphere increases with height due to absorption of solar radiation within the ionosphere, which is concentrated in the upper thermosphere. There is very little to absorb solar radiation in the mesosphere, and it receives very little heat from below, hence the thermosphere is much warmer.

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