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noctilucent cloud
(redirected from Polar mesospheric cloud)

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noctilucent cloud

Clouds of ice forming in the upper atmosphere at around 83 km/52 mi. They are visible on summer nights, particularly when sunspot activity is low.
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Gardner notes that his team's finding of higher altitudes for Southern Hemisphere polar mesospheric clouds contradicts data from satellite measurements.
Lasers show atmosphere differs from models. (Science News of the week) by Perkins, S. / Science News
Orbital Designed, Manufactured and Tested AIM Satellite for NASA to Study Polar Mesospheric Clouds DULLES, Va.
Orbital Set to Launch Company-Built AIM Scientific Spacecraft for ... by Business Wire
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.
Orbital Selected for $25 Million Scientific Satellite Contract by ... by Business Wire
 
 
 
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