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Taking AIM at Mysterious Clouds

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Jul
08

A NASA satellite has captured the first occurrence of mysterious shiny polar clouds that form 50 miles above Earth’s surface. The AIM (Aeronomy of Ice in the Mesosphere) spacecraft returned some of the first data on these noctilucent or “night shining” clouds on June 11, 2007. In this image of the Arctic regions of Europe and North America, white and light blue represent noctilucent cloud structures. Black indicates areas where no data is available.