The mirror segment, an engineering development unit, was successfully polished to an accuracy of less than 20 nanometers, or smaller than a millio [...]
Tuesday, January 19, 2010
James Webb Space Telescope's First Primary Mirror Segment Meets Flight Specifications, Achieves Significant Milestone
REDONDO BEACH, Calif. -- The first primary mirror segment of NASA's James Webb Space Telescope has met flight specifications at ambient temperatures, the result of a process that has been six years in the making. Northrop Grumman Corporation (NYSE:NOC) is leading the design and development effort for the space agency's Goddard Space Flight Center.
The mirror segment, an engineering development unit, was successfully polished to an accuracy of less than 20 nanometers, or smaller than a millio [...]
The mirror segment, an engineering development unit, was successfully polished to an accuracy of less than 20 nanometers, or smaller than a millio [...]
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