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[mĕźə-sfîŕ, mĕś-]
(n.)The portion of the atmosphere from about 30 to 80 kilometers (20 to 50 miles) above the earth's surface, characterized by temperatures that decrease from 10°C to −90°C (50°F to −130°F) with increasing altitude.
Dictionary.com · The American Heritage® Dictionary
Mesosphere - Wikipedia, the free encyclopedia
The mesosphere (from the Greek words mesos = middle and sphaira = ball) is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere. The me...
en.wikipedia.org/wiki/Mesosphere
Mesosphere (mantle) - Wikipedia, the free encyclopedia
The mesosphere refers to the mantle in the region between the asthenosphere and the outer core. The upper boundary is defined as the sharp increase in seismic wave velocities and density at a depth ...
en.wikipedia.org/wiki/Mesosphere_(mantle)
This picture shows the mesosphere. The mesosphere is a layer of Earth's atmosphere. It starts about 50 km (31 miles) above the ground and goes all the way up to 85 km (53 miles) high. The layer below it is called the stratosphere.
www.windows.ucar.edu/tour/link=/earth/Atmosphere/mesosp... www.windows.ucar.edu/tour/link=/earth/Atmosphere/mesosphere.html
In the Earth's mesosphere, the air is relatively mixed together and the temperature decreases with altitude. The atmosphere reaches its coldest temperature of around -90°C in the mesosphere. This is also the layer in which a lot of meteors burn up while entering the Earth's atmosphere.
www.windows.ucar.edu/tour/link=/earth_science/Atm_Scien... www.windows.ucar.edu/tour/link=/earth_science/Atm_Science/Temp_structure/structure_meso.html
The mesosphere (literally middle sphere) is the third highest layer in our atmosphere, occupying the region 50 km to 80 km above the surface of the Earth, above the troposphere and stratosphere, and below the thermosphere.
www.ace.mmu.ac.uk/eae/atmosphere/older/mesosphere.html www.ace.mmu.ac.uk/eae/atmosphere/older/mesosphere.html
This article is about the atmospheric mesosphere, for the Earth's mantle see Mesosphere (mantle) ... The mesosphere refers to the mantle in the region between the asthenosphere and the outer core. The upper boundary is defined as the sharp increase in seismic wave velocities and density at a depth of 660 km...
www.absoluteastronomy.com/topics/Mesosphere www.absoluteastronomy.com/topics/Mesosphere
The Aeronomy of Ice in the Mesosphere (AIM) NASA satellite mission is exploring PMCs. ... This image of Polar Mesospheric Clouds (PMC) from the Aeronomy of Ice in the Mesosphere Cloud Imaging and Particle Size (AIM-CIPS) instrument on July 14, 2009 in the northern polar region. The North Pole (90N) is in the center.
aim.hamptonu.edu/ · Cached
Describes the composition and layers of the atmosphere. ... The Mesosphere and Ionosphere ... Above the stratosphere is the mesosphere and above that is the ionosphere (or thermosphere), where many atoms are ionized (have gained or lost electrons so they have a net electrical charge).
csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html · Cached
This image of Polar Mesospheric Clouds (PMC) from the Aeronomy of Ice in the Mesosphere Cloud Imaging and Particle Size (AIM-CIPS) instrument on July 14, 2009 in the northern polar region. The North Pole (90N) is in the center.
www.nasa.gov/aim