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Webb’s FGS/NIRISS Instrument

Photograph of Webb's Fine Guidance System (FGS) and Near-infrared Imager and Slitless Spectrograph (NIRISS) in a clean room. There are four people in white clean room suits with blue gloves.
After performing an initial post-shipping inspection of the Fine Guidance Sensor/Near InfraRed Imager and Slitless Spectrograph (FGS/NIRISS) in a clean room at NASA's Goddard Space Flight Center in 2012, engineers from COM DEV (the Canadian Space Agency's prime contractor for the James Webb Space Telescope), and from NASA, place a protective drape over the instrument, until work resumes on the next day. The drape is made out of a material called llumalloy, and it is for contamination protection.
  • Release Date
    July 30, 2012
  • Credit
    Image: NASA, Chris Gunn

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Last Updated
Aug 28, 2025
Contact
Media

Laura Betz
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
laura.e.betz@nasa.gov

Image Credit

NASA, Chris Gunn

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