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Webb’s Primary Mirror Gets Final Segment

Photograph showing the final segment of Webb’s primary mirror being installed by a robotic arm in a clean room. Black, hexagonal mirror segments take up the lower half of the scene. Standing at a distance are three people in white clean room suits.

Inside a massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland, the James Webb Space Telescope team used a robotic arm to install the last of the telescope's 18 mirrors onto the telescope structure. The image shows the back of the mirror structure.

  • Release Date
    February 8, 2016
  • Credit
    Image: NASA, Chris Gunn (NASA)

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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 (NASA)

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