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 ?
Gardner notes that his team's finding of higher altitudes for Southern Hemisphere polar mesospheric clouds contradicts data from satellite measurements.
SHIMMER, the Spatial Heterodyne Imager for Mesospheric Radicals is the primary payload of STPSat-1, a small satellite launched in March 2007 with a minimum lifetime of one year.
The extended mission allowed SHIMMER to collect an additional 18 months of observations of Polar Mesospheric Clouds which are being used to validate the Space Science Division's new high-altitude extension of the Navy's Operational Global Atmospheric Prediction System (NOGAPS).
Orbital Designed, Manufactured and Tested AIM Satellite for NASA to Study Polar Mesospheric Clouds
He has worked on spacecraft rendezvous theory, terrestrial polar mesospheric clouds, galactic astrophysics and studies of tenuous satellite atmospheres, including the atmosphere of the moon.
STPSat-1's payload comprises three experiments: the primary experiment, Spatial Heterodyne Imager for Mesospheric Radicals (SHIMMER), is a high-resolution ultraviolet spectrometer based on the new optical technique known as Spatial Heterodyne Spectroscopy (SHS).
The scientific mission of the AIM satellite program is focused on the study of Polar Mesospheric Clouds (PMCs) that form about 50 miles above the Earth's surface in the summer months, primarily in the polar regions.
The 194-pound Mesospheric Aerosol-Genesis and Composition (MAGIC) experiment housed in the nose cone of the rocket is designed to collect dust particles in the mesospheric range of the atmosphere.