Mesosphere meaning

mĕz'ə-sfîr', mĕs'-
The portion of the atmosphere from about 50 to 80 kilometers (31 to 50 miles) above the surface of the earth, characterized by temperatures that decrease from 10°C to −90°C (50°F to −130°F) with increasing altitude.
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Layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere.
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The region of the Earth's atmosphere lying above the stratosphere and below the thermosphere, from a height of about 50 km (31 mi) to about 80 km (50 mi) above the Earth's surface. In the mesosphere temperatures decrease with increasing altitude due to the decreasing absorption of ultraviolet radiation from the Sun. At the top of this region temperatures are around −95°C (−135.4°F). Most of the meteors that enter Earth's atmosphere burn up while passing through the mesosphere.
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The atmospheric zone or shell located above the stratopause at an altitude of c. 55 to 80 km (c. 34 to 50 miles) and characterized by a decrease in temperature with increasing altitude.
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Origin of mesosphere

  • meso- +"Ž -sphere
    From Wiktionary