NASA said that all of the mirrors that will fly aboard its James Webb Space Telescope (JWST) have been polished. Northrop Grumman [NOC] is the prime contractor for JWST. "Webb's mirror polishing always was considered the most challenging and important technological milestone in the manufacture of the telescope, so this is a hugely significant accomplishment," said Lee Feinberg, Webb Optical Telescope manager at NASA's Goddard Space Flight Center. The mirrors were polished at L-3 [LLL] in Richmond, Calif. After polishing,…
NASA Completes Mirror Polishing For Webb Telescope
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