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Contamination Control Engineer Yingrui "Zao" Huang | by NASA Goddard Photo and Video
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Contamination Control Engineer Yingrui "Zao" Huang

For NASA’s James Webb Space Telescope and its incredibly sensitive scientific instruments, cleanliness is critical. Contamination Control Engineers like Yingrui “Zao” Huang, who has been on the mission since 2013, play an important role in ensuring Webb’s hardware is in pristine condition during the testing and integration that lead up to launch.


Zao is pictured in Goddard's Spacecraft Systems Development and Integration Facility, standing in front of the wall of filters that help keep the clean room clean.


Credit: NASA/Chris Gunn


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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.


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Taken on April 17, 2019