INVITATION LETTER
A NATURAL PHENOMENON: NACREOUS CLOUDS
Nacreous Clouds: Stunningly Beautiful, Surprisingly Destructive Some natural phenomena are rare and beautiful, like red diamonds, the Northern Lights and double rainbows. But others, like nacreous clouds, are rare, beautiful and destructive. Behind their iridescent, rainbow-colored façade, these clouds damage on atmosphere. According to the Australian Antarctic division, an arm of the Australian government, nacreous clouds are a type of “polar stratospheric cloud.” They’re a main factor in the formation of ozone holes in the Arctic and Antarctic. How Nacreous Clouds Form Nacreous clouds develop in high latitudes – 60 to 90 degrees – of the Northern and Southern hemispheres. They are most likely to form in winter.They form 13-19 miles up in the lower part of the stratosphere. Nacreous clouds form in the stratosphere, at 70,000 feet or above. This is also where the ozone layer reside Clouds generally don't form in the stratosphere. Typically, it’...
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