Friday, June 20, 2008

Have you ever seen glow-in-the-dark clouds?

Noctilucent cloudImage via Wikipedia
From SpaceWeather.Com:

"NOCTILUCENT CLOUDS: Summer is the season for noctilucent clouds and this morning, right on cue, a wave of bright NLCs rolled over the British Isles. Observers in Scotland and Northern Ireland report luminous tendrils of electric blue bright enough to attract the attention of casual passersby. These glow-in-the-dark clouds are a 100+ year old mystery under investigation now by NASA's AIM spacecraft. Originally confined to arctic latitudes, NLCs have spread in recent years with sightings in the United States as far south as Utah and Colorado...."
Happy Summer Soltice, everyone!



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