Latest Noctilucent cloud Stories
When you think about the North and South poles, they seem to be worlds apart. They are separated by four oceans, six continents, and more than 12,000 nautical miles. However, new data shows they may not be as far apart as one might think.
First spotted in 1885, silvery blue clouds sometimes hover in the night sky near the poles, appearing to give off their own glowing light.
A group of electric-blue clouds are hovering over Antarctica right now, and NASA’s AIM spacecraft is helping scientists better understand them.
Noctilucent clouds (NLCs), tenuous cloud-like phenomena that form every summer in the skies above the North Pole, are forming earlier than usual.
While Comet ISON’s eagerly anticipated encounter with the sun won’t even happen until November, it seems likely the fireball is already prepping a special encore performance for stargazers here on Earth.
In October 2011, a NASA-funded sounding rocket traveled up through these ice clouds for a five minute trip to collect some of the first data on just how much smoke exists, what size the particles are, what electrical charge they have, and whether they could indeed form these shimmering clouds as predicted.
The last space shuttle flight took place on July 8, 2011, sending Atlantis into space for its thirty-third, and final mission, releasing 350 tons of water vapor exhaust.
Bits of "meteor smoke" have been detected in a noctilucent cloud (NLC), supporting an already existing theory.
When noctilucent clouds (NLCs) first appeared in the 19th century, they were a high-latitude phenomenon.
High up in the sky near the poles some 50 miles above the ground, silvery blue clouds sometimes appear, shining brightly in the night.
More Images (46 images) »