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Meaning of estratósfera

estratósfera: It is the name of one of the layers of the Earth's atmosphere. They are located between the Mesosphere and the Troposphere. In the equatorial zone it extends between 20 and 50 kilometers in altitude and in it the temperature decreases as the altitude increases.; Layer of the homosphere between 12 km and 50 km high. The name is Latin for stratus, a, um ("extensive, extended") sphaera, ae ("sphere", because it surrounds the Earth), although the latter borrowed it from the Greek. See mesosphere, troposphere, atmosphere.