mesosphere

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mesosphere:

see atmosphereatmosphere
[Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. Although some details about the atmospheres of other planets and satellites are known, only the earth's atmosphere has been well studied, the science of
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.

Mesosphere

 

the atmospheric layer above the stratosphere, having an altitude from 50–55 to 80 km. It is characteristic of the mesosphere that the temperature decreases with altitude from approximately 0°C at the lower boundary of the layer to -90°C at the upper boundary.

mesosphere

[′mez·ə‚sfir]
(geology)
(meteorology)
The atmospheric shell between about 28-35 and 50-60 miles (45-55 and 80-95 kilometers), extending from the top of the stratosphere to the mesopause; characterized by a temperature that generally decreases with altitude.

mesosphere

mesosphereclick for a larger image
The layer of atmosphere lying above the stratosphere and which extends from approximately 30 to 50 miles (50–80 km) above the sea level. The layer is characterized by a decreasing temperature, which ends at the mesosphere, where the lowest temperatures are encountered in the atmosphere.

mesosphere

1. the atmospheric layer lying between the stratosphere and the thermosphere, characterized by a rapid decrease in temperature with height
2. the solid part of the earth's mantle lying between the asthenosphere and the core
References in periodicals archive ?
It is important to state here that highly varying wave saturation and dissipation processes occurring at mesospheric altitudes may lead this relationship to vary.
(1) Mesospheric airglow data show large variability in the gravity wave amplitudes.
The satellite observed a second northern season of Polar Mesospheric Clouds (PMCs), which are the Earth's highest clouds.
Extra-long period (20-40 days) oscillations in the mesospheric and lower thermospheric winds: observations in Canada, Europe and Japan, and considerations of possible solar influences.
Gardner's team found that the mesospheric clouds over the South Pole were, on average, at an altitude of 85.5 km at the peak of summer.
Data from pressure-modulated infrared sounders [selective chopper radiometer (SCR) and pressure modulator radiometer (PMR); Table 1] and one limb-viewing infrared sounder [stratospheric and mesospheric sounder (SAMS)] were curated by a project funded by the U.K.
2012), equatorial tropospheric convective activity (e.g., Kodera 2006), polar tropospheric clouds (Kohma and Sato 2014), and mesospheric dynamics and the breakdown and reformation of the stratopause (e.g., Siskind et al.
--, and --, 2005: Uptake of Fe, Na and K atoms on low-temperature ice: Implications for metal atom scavenging in the vicinity of polar mesospheric clouds.
In the winter polar vortices, measurements of several additional tracers with production or loss in the mesosphere would allow information about mesospheric influence and mass flux into the stratosphere.