Question

What is thermosphere and what is it's use?

Answer 1

The region of the atmosphere obove the mesospere and below the height at which the atmosphere ceases to have the properties of a continuous medium .the themosphere is characterized throughout by an increase in temperature with height ..
it is used in ultraviolet radiation causes photoionization ,creating ions in the ionosphere ..

Answer 2

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The thermosphere is the layer in the Earth's atmosphere directly above the mesosphere and below the exosphere. ... Radiation causes the atmosphere particles in this layer to become electrically charged particles, enabling radio waves to be refracted and thus be received beyond the horizon.