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NASA Distributed Active Archive Center (DAAC) at NSIDC

ICESat / GLAS Data

Ice, Cloud, and land Elevation / Geoscience Laser Altimeter System

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ICESat Laser Spots

ICESat Laser Spots

Short time lapse of green laser reflected in clouds of the night sky during overflight of ICESat soon after laser was first turned on (12 March 2003). Image courtesy of Ball Aerospace.