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||This - the last point of inflection on the curve T (h) and while the lowest temperature region (in the mesopause it can drop to 150 K). Further temperature will increase - we enter the realm of the thermosphere. In the thermosphere, first, a sharp temperature rise - for some 30 - 40 km we shooting through the entire range of 150 to 300 K, which were up to now, and continue to climb higher. At an altitude of 150 km the temperature has passed for 500 KV and here we have to choose, day or night. For on it depends the further growth temperature. If it happens during the day, temperatures will continue to rise to 1500 - 2000 K. If the night, the temperature rise will be much less - up to 700 - 1000 K. In both cases, from a height of approximately 200 - 250 km the temperature rise will stop, and then she will remain constant. We have entered the region of the isotherm. Well, what's next, or, if you will, above? What goes thermosphere? Usually saying that goes into the thermosphere exosphere, although the term was born as a result of division into "spheres" not on the basis of temperature, and on the basis of the dominant process of determining the composition of the atmosphere. Stratification so much ground easier than on temperature. From Earth's surface to an altitude of 105 - 110 km density atmospheric gas is high enough, so that all traffic into the atmosphere as movement of the atmospheric gas in general. Unable to allocate a separate move, say, molecules of nitrogen and oxygen - the particles of different types of continuously mixed. Such process called turbulent mixing or turbulent diffusion. It is clear that turbulent diffusion tends to maintain a constant composition of atmospheric gas tall. That is why until the specified height, plant compounds of atmospheric gas remains unchanged, subject to variations in the relative concentrations of only chemically active small components such as nitrogen oxide, ozone, etc. Field the atmosphere from Earth's surface up to 105 - 110 km gomosferoy called, ie, regions constant composition. Ends above the realm of turbulent diffusion, which put all of the gases.