Above the stratopause, in the mesosphere
between 55 and 90 km altitude , the temperature decreases again, reaching about -100 [degrees]C at the mesopause .
Gil-Lopez et al., "Downward transport of upper atmospheric NOx into the polar stratosphere and lower mesosphere
during the Antarctic 2003 and Arctic 2002/2003 winters," Journal of Geophysical Research, vol.
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But higher up, above all the usual clouds, at a height of about 50 miles is a layer known as the mesosphere
- and it's here that we can observe a phenomenon called noctilucent clouds.
The program intends to send trained astronauts to the Mesosphere
altitude (at 83 Km) to study noctilucent clouds.
WORLDWIDE COMPUTER PRODUCTS NEWS-August 24, 2015-Verizon to deploy Mesosphere
DCOS as platform for data centre service orchestration
Which layer of the Earth's atmosphere is directly below the mesosphere
Ionosphere is the layer of the earth's atmosphere lying above the mesosphere
and extends from about 80km to 1,000km above the earth's surface.
In the middle atmosphere (10-100km altitude), consisting of the stratosphere (10-50 km), the mesosphere
(50-90 km) and a part of the lower thermosphere (90-150 km), the zonal wind velocity can reach magnitudes as large as 80m/sin mid-latitudes at an altitude of about 50 km.
Information on these gravity waves and tides in upper mesosphere
is considered important because of their potential association with ionospheric phenomena [3-9].
Whether auroral energy increases the temperature of the mesosphere
and prevents ice nucleation remains to be proven, but this may also depend on the level of energy producing the aurora.
There are five layers of the atmosphere: Troposphere, stratosphere, mesosphere
, thermosphere and exosphere -- all having their distinct function, ranging from forming rain, preventing harmful rays, from reflecting radio waves and averting the harmful effects of meteors.