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Webb’s Secondary Mirror Installation

Photograph showing the installation of Webb’s secondary mirror in a clean room. Two people in white clean room suits with blue gloves stand on an orange lift at left.
The photo shows the installation of the James Webb Space Telescope's secondary mirror. The secondary mirror is gold-coated, round, convex, and sits at the end of 3 long booms. It redirects the light from our primary mirror into the tertiary mirror and instrument module.
  • Release Date
    March 1, 2016
  • 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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