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Night clouds or noctilucent clouds are tenuous cloud-like phenomena that are the "ragged-edge" of a much brighter and pervasive polar cloud layer called polar mesospheric clouds in the upper atmosphere, visible in a deep twilight. They are made of crystals of water ice. Noctilucent roughly means night shining in Latin. They are most commonly observed in the summer months at latitudes between 50° and 70° north and south of the equator. They can only be observed when the Sun is below the horizon.
They are the highest clouds in the Earth's atmosphere, located in the mesosphere at altitudes of around 76 to 85 kilometres (47 to 53 mi). They are normally too faint to be seen, and are visible only when illuminated by sunlight from below the horizon while the lower layers of the atmosphere are in the Earth's shadow. Noctilucent clouds are not fully understood and are a recently-discovered meteorological phenomenon; there is no record of their observation before 1885.
Noctilucent clouds can form only under very restrictive conditions; their occurrence can be used as a sensitive guide to changes in the upper atmosphere. They are a relatively recent classification. The occurrence of noctilucent clouds appears to be increasing in frequency, brightness and extent. It is theorized that this increase is connected to climate change.
Originally posted by FlySolo
Originally posted by hp1229
There was a prediction post yesterday which gathered some 1050 responses so far Is this what the person was
trying to predict?
ATS_LINK
That thread is closed and I missed it. Mud slinging?
Originally posted by Ph03n1x
Originally posted by FlySolo
Originally posted by hp1229
There was a prediction post yesterday which gathered some 1050 responses so far Is this what the person was
trying to predict?
ATS_LINK
That thread is closed and I missed it. Mud slinging?
you didn't miss much...just a sad individual with a messiah complex and lots of multis
he never backed down and continued with the lie even when caught.......
so yeh many lolz to be hadedit on 9-8-2012 by Ph03n1x because: (no reason given)
Originally posted by AlphaHawk
reply to post by fossy
Proper Link to the article.
Originally posted by Xarian6
reply to post by thedoctorswife
Sry for the totaly off topic reply..
I noticed a big mistake in the screen-grab he used from facebook, he fell into his own hole soon after that
Back to topic, as it's probably the most important topic on earth right now.. no bull