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Geography Categories
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| Definition Of: |
noctilucent cloud
A cloud that forms in one of the ionized layers of the ionosphere at about 80 kilometers above the Earth's surface, recently renamed polar mesospheric clouds. Noctilucent clouds look similar to cirrus clouds. They can only be seen at high latitudes, usually in the summer when the Sun is below the horizon.
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Meteorology & Weather Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 A: Page 1 of 2.
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