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NASA 3D Models: Aeronomy of Ice

Published by National Aeronautics and Space Administration | National Aeronautics and Space Administration | Metadata Last Checked: October 31, 2025 | Last Modified: 2025-04-01
AIM is a two-year mission to study Polar Mesospheric Clouds (PMCs), the Earth's highest clouds, which form an icy membrane 50 miles (80.4 km) above the surface at the edge of space.

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