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Polar stratospheric cloud - Wikipedia
Polar stratospheric clouds (PSCs), also known as nacreous clouds (/ ˈ n eɪ k r i ə s /, from nacre, or mother of pearl, due to its iridescence), are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 m (49,000–82,000 ft). They are best observed during civil twilight, when the Sun is between 1 and 6 degrees below the horizon, as well as in winter and in more northerly ...
The Ultimate Collection of Quizzes - MSN
Can you name the artist behind these famous paintings? It has been revealed that the fiery sky in the painting titled The Scream is a depiction of nacreous or "mother of pearl" clouds.
Rutgers University–New Brunswick
The Clouds of The Scream. Scientists suggest that nacreous, or “mother of pearl,” clouds inspired the dramatic sky in the Edvard Munch painting. Find out about these polar stratospheric clouds.
Riddles | Puzzles | Brain Teasers - IQ Test Experts
Collection of riddles and brainteasers. Find fun riddles for kids.
The Ozone Hole
Why does the ozone hole form over Antarctica ? The answer is essentially 'because of the weather in the ozone layer'.In order for rapid ozone destruction to happen, clouds (known as PSCs, Stratospheric Clouds Mother of Pearl or Nacreous Clouds) have to form in the ozone layer.
Top 10 Unusual but Fascinating Cloud Formations - Toptenz.net
What is the sky without little fluffy clouds? Boring if you ask me. A cloudless plain sky is like a garden without flowers. Clouds can generally be
Climate - Cloud types | Britannica.com
Climate - Cloud types: The meteorologist classifies clouds mainly by their appearance, according to an international system similar to one proposed in 1803. But because the dimensions, shape, structure, and texture of clouds are influenced by the kind of air movements that result in their formation and growth and by the properties of the cloud particles, much of what was originally a purely ...
真珠母雲 - Wikipedia
真珠母雲（しんじゅぼぐも、Mother-of-pearl clouds）は高度20～30km付近の成層圏にできる特殊な雲。 極や高緯度地方で冬によく見られる雲である。 非常に高高度にある雲のため、日没後も太陽の光を受けて輝く姿を見ることがある。 真珠母雲の名は、その色彩が真珠母貝であるアコヤガイの内側に ...