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Aeronomy of Ice in the Mesosphere
Aeronomy of Ice in the Mesosphere (AIM) is a NASA-funded satellite scheduled to be launched into a polar orbit on April 25 2007 to conduct a 26-month study of noctilucent clouds (NLCs), which occur in the Earth's atmosphere at altitudes of roughly 80 kilometres above the surface, far higher than other clouds. Its mission is to determine what factors - temperature, water vapor, and dust particles - lead to the formation of these clouds, and why they have been seen to be changing.
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