Researchers from NASA Langley Research Center flew onboard the agency’s DC-8 flying laboratory to test an improved version of Doppler Aerosol Wind Lidar (DAWN), an airborne instrument that uses pulsed lasers at varying scan angles to detect the movement of atmospheric aerosols such as dust or sea salt. In detecting those movements, it can profile wind vector — both speed and direction. The team is also brought along another instrument called the High Altitude Lidar Observatory (HALO). HALO uses
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530K views · 907 shares | At our Neutral Buoyancy Laboratory, teams are testing tools and developing training approaches for lunar surface operations and moonwalks NASA Astronauts will conduct during Artemis missions.  This Friday, watch live as we speak with astronauts conducting the training underwater! Stay tuned for details on how to watch. | NASA's Johnson Space Center | Facebook
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