NASA tests ICESat-2's laser aim

NASA tests ICESat-2's laser aim Greenbelt MD (SPX) Dec 11, 2015 - Close enough doesn't cut it in the spacecraft assembly cleanroom at NASA Goddard's Space Flight Center, where engineers are building an elevation-measuring instrument to fly on the Ice, Cloud and land Elevation Satellite-2 or ICESat-2. Recently, engineers tested the instrument's pinpoint accuracy. The instrument, called the Advanced Topographic Laser Altimeter System (ATLAS), will send las ... more

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