NASA's Webb Telescope Completes Final Polishing of First Flight Mirror Segment

The first flight mirror segment for NASA's James Webb Space Telescope's (JWST) primary mirror has completed its final polishing process, the first of 18 segments that comprise the Observatory's 21 ft. primary mirror. Northrop Grumman Corporation (NYSE:NOC) is leading the design and development effort for the space agency's Goddard Space Flight Center.



"With the contributions of our JWST subcontractor L3-Tinsley, we've put forth a sustained effort over a number of years to achieve this mile [...]

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