Polar Stratospheric Clouds
A cloud that appears in higher altitudes than usual. Being hit by sunlight after sunset, it has the color of a pearl. Its other name is nacreous cloud which means mother of pearl.
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Polar Stratospheric Clouds
A cloud that appears in higher altitudes than usual. Being hit by sunlight after sunset, it has the color of a pearl. Its other name is nacreous cloud which means mother of pearl.
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